Can some one help me out please !!

Can Some One Help Me Out Please !!

Answers

Answer 1

Answer:

[tex] - 8x + 6y = - 22 \\ - 4x + 4y = - 4 \\ .............................................. \\ - 12x + 10y = - 26 \\ - 2(6x - 5y) = - 26 \\ 6x - 5y = 13[/tex]


Related Questions

please solve to check if my answer is correct ​

Answers

Rewrite the 3 fractions to have a common denominator:

1/4 = 5/20

2/5 = 8/20

3/4 = 15/20

Now solve:

5/20 - 8/20 + 15/20 = 12/20

12/20 can simplify to 3/5

Answer: 3/5

The radius of a circle is 14 ft. Find its circumference in terms of \piπ.

Answers

Answer:

Circumference of circle : 2πr

= 2 × π × 14

= 28 π ft

If you need any other help , please let me know ! ,[ you'll have to pay ]

A photograph measures 20 cm by 15 cm. A strip of constant width is to be added from each side of the photo, so the area is increased to 750 cm2.
Find the width of the cut.

Answers

Answer:

The area is 292.5 cm2

What number comes
next in the pattern? The rule is "Multiply
the position number by itself." Describe a
feature of the pattern.
1,4,9,16,

Answers

Answer:

25 comes next

Step-by-step explanation:

okay so when it says "position" it means the numbers place in the order, for example "4" in this case would be the in the second position and "16" in the fourth position.

to get 1 you do: 1*1 because 1 is the first number and it is in the first (1) position.

To get the second number (4) you do: 2*2 because two is the second number (it comes after 1) and it is in the second position.

For 9, you do 3*3; the pattern here is squares, 1^2=1 2^2=4, 3^2=9, 4^2=16.

If we follow that pattern we will get 5^2=25

The cost of hot drinks in a café is shown:
Cappuccino £2.40
Latte £2.60
Hot Chocolate £3.00
Coffee £2.00
Tea £1.80
adam buys a latte, 2 hot chocalates and a tea.
how much will the drinks cost in total?

Answers

Answer:

£10.40

Step-by-step explanation:

Latte = £2.60
2 Hot Chocolates = £6.00
Tea = £1.80
Total = £2.60 + £6.00 + £1.80 = £10.40

Answer:

£10.40

Step-by-step explanation:

Add the cost of the drinks together to find the total cost:

[tex]\begin{tabular}{r r}Latte & \£2.60\\Hot Choc & \£3.00\\ Hot Choc & \£3.00\\Tea & \£1.80\\\cline{1-2} Total & \£10.40\\\cline{1-2}\end{tabular}[/tex]

what’s the area and the perimeter and of the triangle?

Answers

Answer:

i hope it helps

Step-by-step explanation:

area= inside of figure

area of triangle= 1/2 base*height

perimeter= sum of all sides

perimeter of triangle= a+b+c

Answer:

A= 8.25 m  P≈ 16.2 m

Step-by-step explanation:

The solution to the problem

Answers

there so many question possibilities and the do many possibilities for answers

A parallelogram is a four-sided figure
with two pairs of parallel lines. Find the
sum of the four angles of a parallelogram.

Answers

The sum of the parallelogram is 22 because I did the test

Please help

The table shows the results of his first 20 rolls of a dice.

Number

1

2

3

4

5

6

Frequency

3

3

5

2

4

3


a) Write down its mode.

…………………………

b) Calculate:


i) Mean


…………………………

ii) Median


…………………………

iii) Range

…………………………

Answers

Answer:

Mode=. 3,4

Mean= 21/6=3,5

Median= 3+4/2=5

Range=6-4=2

Step-by-step explanation:

1. Mode are numbers in between.

2. Mean add all number devide with the highest value.

3. Median are 2 middle number add them and divide them by 2.

4. Highest value subtract lowest value.

Guys I need this really quickly please !!

Whats this as a ordinary number?

5x10-2

Answers

Answer:

0.035 3.5×10-²

Step-by-step explanation:

im sorry that is my answer thank you

4.) The concert tickets are $190.00 but my friend can get us 20% off. How much will the ticket cost with the discount?

Answers

Answer: $152

20% = 0.20, 190 x0.20 = 38
190 - 38 = $152

how can I find the exponential function from a table?

Answers

the hmmm cheap way to go about is, usually using the x = 1 and x = 0 pairs.

[tex]y = ab^x\hspace{5em} \begin{array}{|rr|ll} \cline{1-2} x&y\\ \cline{1-2} -2&1\\ -1&3\\ 0&9\\ 1&27\\ 2&81\\ \cline{1-2} \end{array} \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} x=0\\ y=9 \end{cases}\implies 9~~ = ~~ab^0\implies 9=a(1)\implies 9=a~\hfill \underline{y=9b^x} \\\\\\ \begin{cases} x=1\\ y=27 \end{cases}\implies 27~~ = ~~9b^1\implies \cfrac{27}{9}=b^1\implies 3=b~\hfill \underline{y=9(3)^x}[/tex]

Multiplying by which number is equivalent to finding 80%?

Answers

Answer:

80% is equivalent to 80/100 which is the same as 0.8 and we can just take a number, for example 10, and we can multiply it by 0.8 and we would get 8 which is 80% of the original value.

5. What is the value of p in the equation?


p - 4 = -8

-2
-12
-4
- 32

Answers

Answer: p=-4

Since,

=> p-4=-8

=>p-4+4 =-8+4(adding 4 both sides)

=>p=-4 ans.

Answer:

-4

Step-by-step explanation:

Given

p - 4 = -8

Add 4 to both sides.

p - 4 + 4 = -8 + 4p = -4

Hence, the value of p in the equation is -4.

Line a is parallel to line b. If the measure of <7 is 114 , what is the measure of <1

Answers

Answer:

66

Step-by-step explanation:

I need help asap.
If the area of the rectangular base of Julian's tank is approximately 300 square inches, what is the approximate area of the rectangular base of his friend's tank?

302.5 square inches
468.75 square inches
750 square inches
375 square inches

Answers

The area of the rectangular base of his friend's tank is 468.75 square inches. So, Option D is correct.

What is the area of the rectangle?

The area of the rectangle is the product of the length and width of a given rectangle.

The area of the rectangle = length × Width

One of Julian's friends also has a rectangular aquarium.

The dimensions of his friend's tank are each exactly 1 1/4 times the dimensions of Julian's tank.

Let x be the length of Julian's tank.

Let y be the width of Julian's tank.

So, the Area of Julian's tank = length × Width

                                               = xy

Since we are given

300 = xy

Now we are given that the dimensions of his friend's tank are each exactly times the dimensions of Julian's tank.

So, the length of his friend's tank = 5/4 x

So, the width of his friend's tank = 5/4 y

So, Area of his friend's tank = ( 5/4 x) (5/4 y)

                                           = 25 / 16 xy

                                           = 25 / 16 (300)

                                           = 468.75

                         

Hence the area of the rectangular base of his friend's tank is 468.75 square inches.

So, Option D is correct.

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Please help me. please

Answers

Step-by-step explanation:

a)

the total length of the outer or also only the inner perimeter ?

I assume the second case. but it is not difficult to change it to the outer perimeter case (per the information of b).

the total length consists of a straight side and 2 radius (left and right) of the end circles.

a radius is half the diameter, so 2×radius = 1 diameter.

so,

400 = length + 49

length = 400 - 49 = 351 m

the length of the straight sides is 351 m.

b)

the difference in length between both perimeters bases only on the difference in length of the circumference of the end circles. the lengths of the straight sides remain the same, not matter if outer or inner perimeter.

the circumference of 2 half circles is the circumference of 1 whole circle.

the circumference of a circle is

2×pi×r = pi×diameter

in our case for the inner perimeter

pi×49 = 153.93804... m

for the outer perimeter the radius and therefore the diameter changes : we have to add 6×1.5 m = 9 m on both sides of the circle

so, the radius of the outer circles is 9 m longer and the diameter 9×2 = 18 m longer : 49 + 18 = 67 m

so, we get for the outer circle perimeter

pi×67 = 210.4867078... m

therefore, the difference in the length of outer and inner perimeter is

210.4867078... - 153.93804... = 56.54866776... m

What is the surface area of the cylinder with height 4 mi and radius 7 mi? Round your answer to the nearest thousandth.

Answers

         - - - - - -- - - - - - - - -- - - - - - - - - - - - - - - - - -- - - - - - - -- - - - - - - - - -- - -

[tex]\blue{\textsf{\textbf{\underline{\underline{Question:-}}}}[/tex]

What is the surface area of a cylinder with height 4 mi and radius 7 mi?

[tex]\blue\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}[/tex]

[tex]\textsf{Formula for Surface Area of a Cylinder:-}[/tex]

[tex]\dashrightarrow\bigstar\boxed{\bold{A=2\pi rh+2\pi r^2}}\dashleftarrow[/tex]

Where

[tex]\bold{A=area}[/tex]

[tex]\bold{\pi =pi\:(3.14...)}[/tex]

[tex]\bold{r=radius}[/tex]

[tex]\bold{h=height}[/tex]

Given:-

[tex]\bold{r=4mi}[/tex]

[tex]\bold{h=7\:mi}[/tex]

Solving for Surface Area:-

[tex]\bf{A=2\pi (4)(7)+2\pi (4)^2}[/tex]

[tex]\bf{A=2\pi (28)+2\pi (16)}[/tex]

On further simplification,

[tex]\bf{A=56\pi +32\pi }[/tex]

Now we just add the pi's together:-

[tex]\bf{A=88\pi }[/tex]

And finally,

[tex]\dashrightarrow\bf{\underline{A=276.460\:mi^2}\dashleftarrow[/tex]

Good luck.

                     - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

A plane and a sphere intersect in a circle that has an area of $48 \pi$. The distance between the plane and the center of the sphere is $3$ units. Find the surface area of the sphere.

Answers

The surface area of the sphere based on the information will be 2304π.

How to calculate the area?

It should be noted that the radius of the circle will be 1/2 the length of the line. Therefore, the radius in the shape will be:

= 1/2 × 48

= 24 units.

Therefore, the area of the sphere will be:

= 4πr²

= 4 × π × 24²

= 2304π

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The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1 girl in 10 births is a significantly low number of girls.

Answers

The accompanying table and the range rule of thumb show that 1 girl is a significantly low number of girls because 1 girl is less than the minimum value that is not significant.

How to depict the information?

x.        p(x).      xp(x).

0 0.002   0         0.0516

1 0.016 0.016 0.2665

2 0.039 0.078 0.3702

3 0.113 0.339 0.4894

4 0.205  0.82 0.2396

5 0.241 1.205 0.0016

6 0.196  1.176 0.1655

7 0.113 0.791 0.4161

8 0.041 0.328 0.3493

9 0.012  0.108 0.1843

10 0.022 0.22 0.5323

Total = 1   5.1         3.066

Maximum value of range will be:

= 5.1 + [2*1.75]

= 5.1 + 3.5

= 8.6

Minimum value of range will be:

= 5.1 - [2*1.75]

= 5.1 - 3.5

=1.6

Therefore, 1 girl is a significantly low number of girls, because 1 girl is less than the minimum value that is not significant.

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Which of the following people might want to claim EXEMPT on their W-4
form?
• John, who is 20 and expects to earn $12,850 from his internship.
• Stacey, who is 16 and expects to earn $7,500 from her part-time job.
® David, who is 23 and expects to earn $15,000 from his part-time job.
Hannah, who is 25 and expects to earn $55,000 from her full-time job.

Answers

The person that might want to claim exemption on the W-4 form is John who received money from his internship.

When can you claim the exemption when filling out the W-4 form?

This is possible if your income does not derive from:

A salary from a formal job.Unemployment compensation.Money from an employer.

Who can claim the exemption?

John can likely be exempted because he obtained the money from an internship, which is not a formal job.

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45 Points! Please explain your answer! Brainliest to whoever does the best!

Answers

Answer:

[tex]\sf \boxed{\sf \frac{3}{2} } \ miles \ per \ day[/tex]

Explanation:

[tex]\sf unit \ rate: \dfrac{Total \ distance \ (miles)}{Total \ time \ taken \ (day)}[/tex]

Here given:

[tex]Total \ Distance : 8\dfrac{1}{4} \ or \ 8.25[/tex]

[tex]Total \ Time \ taken : 5\dfrac{1}{2} \ or \ 5.5[/tex]

Find unit rate:

[tex]\rightarrow \sf unit \ rate: \dfrac{8.25 }{5.5 }[/tex]

[tex]\rightarrow \sf unit \ rate: 1.5 \ miles \ per \ day[/tex]

Unit rate

Total distance/Total time8 1/4÷5 1/233/4÷11/233/4×2/113/2mpd

Write the product using exponents.

Answers

6.4^4 (b^3) or as shown in photo

Please help me with this it's algebra WILL GIVE BRAINLIEST and 40 points

Answers

Answer:

y≥3x-2

Step-by-step explanation:

Carolina, with the intention of investing money in real estate, acquired a plot of land for R$ 350,000.00. Over four years, the asset underwent changes in its commercial value, as follows variations:

First year: 12% appreciation
Second year: 10% appreciation
Third year: 8% devaluation
Fourth year: 6% appreciation

Having this information as a reference, it is correct to say that at the end of the analyzed period this plot of land
will have the value of:

(A) BRL 329,000.00.
(B) BRL 372,901.76.
(C) BRL 420,000.00.
(D) BRL 420,506.24.
(E) BRL 437,754.24.

Answers

At the end of the analyzed period this plot of land will have the value as given by: Option D: 420,506.24

What is appreciation and deprecation?

Deprecation, also called devaluation, is the decrement in price of an asset. Appreciation is opposite of deprecation. This indicates increment in the price of the considered thing.

How to find the percentage from the total value?

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent that considered thing is of "a" is b%

Then since percent shows per 100 (since cent means 100), thus we will first divide the whole part in 100 parts and then we multiply it with b so that we collect b items per 100 items(that is exactly what b per cent means).

Thus, that thing in number is

[tex]\dfrac{a}{100} \times b[/tex]

It is given that:

Initial price of the plot of land = $350,000First year: 12% appreciationSecond year: 10% appreciationThird year: 8% devaluationFourth year: 6% appreciation

Now, consider appreciation of an amount A by P%.

Then, we have:

Increased price = Initial price + P% of initial price

Increased price = [tex]A + \dfrac{A}{100} \times P = A \times \left(1 + \dfrac{P}{100} \right)[/tex]

Similarly, depreciated price by P% of an amount A is:

Decreased price = [tex]A - \dfrac{A}{100} \times P = A \times \left(1 - \dfrac{P}{100} \right)[/tex]

We've got: A = 350,000

After 1st year, which had 12% appreciation, we get:

[tex]A_1 =A(1 + 12/100) = A(1.12)\\[/tex]
After 2nd year, 10% appreciation we get:

[tex]A_2 =A_1(1 + 10/100) = A_1(1.1) = A(1.12)(1.1)\\[/tex]

After 3rd year, which had 8% devaluation effect on the price, we get:

[tex]A_3 = A_2(1 - 8/100) = A_2(1-0.08) = A_2(0.92) = A(1.12)(1.1)(0.92)[/tex]

After 4th year,  which had 6% appreciation effect on the price, we get:[tex]A_4 = A_3(1 + 6/100) = A_4(1+0.06) = A_3(1.06) = A(1.12)(1.1)(0.92)(1.06)[/tex]

Thus, the final effect on A is:

[tex]A \rightarrow A(1.12)(1.1)(0.92)(1.06) = A(1.2014464)\\\$350,000 \rightarrow 350000(1.2014464) = 420506.24\: \rm dollars[/tex]

Thus, at the end of the analyzed period this plot of land will have the value as given by: Option D: 420,506.24

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i need an answer quicklyy

Answers

Answer:

by Translation.

Using the photo it is (5/-8)

Work out the product of
1
5
7
and
3
1
4

Give your answer as a mixed number.

Answers

is this 1 5/7, 3 1/4 ?

The value of the expression 1 [tex]$\frac{5}{7}[/tex]  x  3 [tex]$\frac{1}{4}[/tex] will be 9 [tex]$\frac{3}{4}[/tex]

What is expression in mathematics?

An expression in math is a sentence with a minimum of two numbers or variables and at least one math operation.

Given is the following expression -

1 [tex]$\frac{5}{7}[/tex] and 3 [tex]$\frac{1}{4}[/tex]

On multiplying the expression, we get -

1 [tex]$\frac{5}{7}[/tex]  x  3 [tex]$\frac{1}{4}[/tex]

(12/7)  x  (13/4)

39/4

9 [tex]$\frac{3}{4}[/tex]

The value of the expression 1 [tex]$\frac{5}{7}[/tex]  x  3 [tex]$\frac{1}{4}[/tex] will be 9 [tex]$\frac{3}{4}[/tex]

Therefore, the value of the expression 1 [tex]$\frac{5}{7}[/tex]  x  3 [tex]$\frac{1}{4}[/tex] will be 9 [tex]$\frac{3}{4}[/tex]

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-2-3(a)=-23
Please answer this with how you got the answer.

Answers

Answer:

a = 7

Step-by-step explanation:

» Solution

Step 1: Add 2 to both sides.

[tex]-3a-2+2=-23+2[/tex] [tex]-3a=-21[/tex]

Step 2: Divide both sides by -3.

[tex]-3a/-3=-21/-3[/tex] [tex]a=7[/tex]

Therefore, a = 7.

Which figure has two bases and one lateral face that is rectangular?

Answers

a prism

Step-by-step explanation:

it has two parallel, congruent bases that are connected by a lateral face

Find and interpret the mean absolute deviation of the data. Round your answer to the nearest tenth, if necessary.

Answers

Answer:

1. 8

2. 7.8

3. 7

4. 9.3

Step-by-step explanation:

6+10/2=8

8.5+7/2=7.8

6+8/2=7

9+9.5/2=9.3

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