please help marking brainliest if its correct!

Answers

Answer 1

Answer:

I would say B.120 minutes

Related Questions

barb exercises for 22 hours each week. how many hours does she exercise in 14 weeks. use the array drawn on the grid go help multiply

Answers

Answer:

308 hours

Step-by-step explanation:

22 x 13

(Blank) Divided by 4 = 8 Remainder 3

Answers

Answer: 35
Step-to-step: 8 times 4 equals 32 plus your remainder 3 equals 35.
Check: 35 divided by 4 equals 8 with a remainder of 3

35 divided by 4 equals 8 with a remainder of 3

A teacher grades 27 tests in 3 hours How many tests can the teacher grade in 8 hours if he works at the same rate

Answers

Answer:

72 tests

Step-by-step explanation:

lets put this in a ratio

27 (tests) : 3 (hours)

now we simplify by dividing each side by 3

9:1

Now we must find 8 hours so multiply each side by 8

72:8

the teacher will grade 72 tests in 8 hours

Which statement is the lie?

Part A: Prompt: \large 4n-3

A. Three less than four times a number

B. Four times a number less than 3

C. Four times a number decreased by 3

Answers

Answer:

C. Four times a number decreased by 3

Triangle PQR is similar to triangle VWX. What is the length of PR?

Answers

Answer:10.5

Step-by-step explanation:I’m smart

Answer: 10 i promise u it is.

Step-by-step explanation:

16/17 rounded to the nearest hundredth

Answers

Answer:

0.941

Step-by-step explanation:

Write a linear function f with f(0) = 7 and f(3) = 1.
f(x) = 0

Answers

Start with

y = mx + b

Now use the 2 given points to find m and b.

7 = m(0) + b
b = 7
1 = m(3) + 7
m = -2

f(x) = -2x + 7

Which expression is equivalent to
(5^-2)(5^-1)

-1/125
-1/5
1/125
1/5

Answers

Answer:

1/5

Step-by-step explanation:

Answer:

Step-by-step explanation:

Bernardo is converting a fraction A/B, to a percent. Both A and B are whold numbers and not equal to zero. Which expression represents the percent?

A. (A÷B)÷100

B. (B÷A)÷100

C. 100(A÷B)

D. 100(B÷A)

Answers

Answer: I think that the answer might be C but I am not fully sure so please double check.

Have a fantastic day!

So sorry that I answered you late by the way.

Anwser:

Step-by-step explanation:because you multiply and you don’t multiply a upside down fraction so it is 100(A divided by B)

Can somebody help me on this

Answers

i think the answer is A

A is the correct answer because if you flip the left shape to the right side, R and L are both on the same side and the same angle, just on different shapes.

In two or more complete sentences explain how to balance the chemical equation and classify its reaction type. ___NaI + ___Pb(SO4)2 ⟶ ___PbI4 + ___Na2SO4

Answers

Answer:

4112

Step-by-step explanation:

Answer:

By applying law of conservation of mass.

Explanation:

Every balanced chemical equation follows law of conservation of mass.

This law states that mass can neither be created nor can be destroyed but it can only be transformed from one form to another form.

This law also states that the total number of individual atoms on the reactant side must be equal to the total number of individual atoms on the product side.

For the given reaction, the balanced chemical equation follows:

4Na1+Pb(SO4)__Pb14+2Na2SO4

On reactant side:

Number of sodium atoms = 4

Number of iodine atoms = 4

Number of lead atoms = 1

Number of sulfur atoms = 2

Number of oxygen atoms = 8

On product side:

Number of sodium atoms = 4

Number of iodine atoms = 4

Number of lead atoms = 1

Number of sulfur atoms = 2

Number of oxygen atoms = 8

Hence, the balanced chemical equation is written above.

Step-by-step explanation:

Suppose Karen $1000 that she invests in an account that pays 3% interest compounded annually. How much money does Karen have at the end of 3 years?Solve for the interest
Please I need Help I beg Please Help Meeeeeeeeeeeee

Answers

3%of 1000x3 then that’s ur asnwerer

Y=2/3x+5
Y=x+3
How do I solve for x I’m confused with the fraction part ?

Answers

Answer:

(6,9)

Step-by-step explanation:

Y=2/3x+5

Y=x+3

2/4x + 5 = x + 3

Solve the equation

x=6

Substitute the value of x

y=6+3

Solve the equation again.

Now we know y=9

(x,y) = (6,9)

Check the solution

9=2/3 x 6 + 5

9=6+3

Simplify

Which equation is parallel to
y =2/3x – 6 and passes through (9, -3)?

Answers

Answer:

y=2/3x -3

Step-by-step explanation:

y=mx+c

If the gradient(m) is the same then it's parallel.

The line passes through -3 so the y intercept(c) is -3

Answer:

Y=2/3x-9

Step-by-step explanation:

Y=mx+c

y=2/3x+c

Then substitute the coordinates

y=-3

x=9

-3=2/3*(9)+c

-3=6+c

Make c the subject by subtracting 6 from both sides.

-9=c

so the answer is

Y=2/3x-9

What is 24 + x = 29?

Answers

Answer:

The answer is x=5

Step-by-step explanation:

hope this helps

Given:24 + x = 29

Solutions: To find the x subtract both side by 24.

24-24 + x = 29-24

x=5

Answer:

x=5

Step-by-step explanation:

24+x=29 - subtract 24 from both sides to isolate variable

x=5

I NEED HELP ASAP!!PLEASE HELP ME WITH MY MATH!

Answers

Answer:

A. -2, 9

B. -2, 4

C. -8, 4

D. -8, 9

Here is a system of linear equations:
equation 1: 2x + 7y = 8
equation 2: 2x + y=14
Solve this system with either the substitution method
OR the elimination method. Type your answer as an
ordered pair, then explain how you found the solution to
the system.

Answers

Answer:

X=7.5 y=-1

Step-by-step explanation:

[tex]2x + 7y = 8 \\ 2x + y = 14[/tex]

I multiplied the equation with - 1 to than I sum it with the second one to get rid of x

[tex] - 6y = 6 \\ y = - 1[/tex]

Now you put Y in on of the equation and you get x.

[tex]2x - 1 = 14 \\ 2x = 15 \\ x = 7.5[/tex]

help plzzzzzz!!! The ratio of green marbles to total marbles in a bag is 2:9. The ratio of red marbles to total marbles in the same bag is 1:3. Which of the following statements is true?

There are more red marbles in the bag.
There are more green marbles in the bag.
There is the same number of red and green marbles in the bag.

Answers

There are more green marbles

Answer:

There are more red marbles in the bag

Step-by-step explanation:

2/9 = .2222 green

1/3 = .33333 red

Morgan is 5 feet tall. There are 2 .54 centimeter in 1 inch. What is Morgan’s height in centimeters?

Answers

Answer:

152.4cm

Step-by-step explanation:

12 Inches per foot.

5 x 12

1 inch in cm is 2.54

60 x 2.54

152.4cm

Hope this helped!

for his phone service, Jonh pays a monthly fee of $30, and he pays and additional $0.05 per minute of use. the least he has been charged in a month is $99.45
what are the possible number of minutes he has used his phone in a month?
use m for the numbers of minutes, and solve your inequality for m.

Answers

$99.45-$30= $69.45

$69.45/.05= 1,389

He's been using his phone for 1,389 minutes.

0.05m + 30= $99.45

Answer:

m= 1395

Step-by-step explanation:

99.45 -30=

69.45

69.45 divided by 0.05

select the appropriate linear model for the scatter plot

Answers

i’m pretty sure it’s D

The equation that best suits the scatter plot is y = x - 0.5.

A straight line graph has the general equation; y = mx + c Where; m = slope, c = y- intercept. We now have to examine each of the equations as written so as to determine which of the equations that best suits the scatter plot as shown.

First of all, we can see that the line did not start from origin. Looking at the graph very closely, we can conclude that the equation that best suits the scatter plot is y = x - 0.5.

Learn more: https://brainly.com/question/165414

What is the x-coordinate in the solution of the system of equations y =
=-
I and 42
9y= -402

Answers

It’s simple really, the answer is x = -4

y = -2/3x

So we plug in y = -2/3x for the value of y in the equation we need to solve.

4x - 9(-2/3x) = -40 (9 • -2/3x = -6x)

4x - (-6x) = -40 Multiply together

4x + 6x = -40 Combine like terms

10x = -40 Isolate x

x = -4

Which of the following is true about a linear function? (4 points)

A. It may curve in some parts and be horizontal in others.

B. It must cross the origin.

C. It has a constant rate of change.

D. It must contain only positive values.

Answers

Answer:

The answer is c

Step-by-step explanation:

Answer:

the answer is C. It has a constant rate of change.

Step-by-step explanation:

What is the domain and range of each relation

Answers

Answer:

1 ans

domain=(-2,0,2,4)

range=(-3,-1,0)

2 ans

domain=(-3,-1,0,3)

range=(-1,0,1,2,3)

Step-by-step explanation:

Identify a and b for the hyperbola with equation. (y^2/b^2)-(x^2/a^2)=1

Answers

The value of (a) and (b) for the hyperbola are [tex]\sqrt 3[/tex] and 2

The equation of the hyperbola is given as:

[tex]\frac{y^2}{b^2} - \frac{x^2}{a^2} = 1[/tex]

The curve of the graph passes through points (0,2) and (-4,3).

So, we have:

[tex]\frac{2^2}{b^2} - \frac{0^2}{a^2} = 1[/tex] and [tex]\frac{(-4)^2}{b^2} - \frac{3^2}{a^2} = 1[/tex]

[tex]\frac{2^2}{b^2} - \frac{0^2}{a^2} = 1[/tex] becomes

[tex]\frac{4}{b^2} = 1[/tex]

Cross multiply

[tex]b^2 = 4[/tex]

Take positive square root of both sides

[tex]b = 2[/tex]

[tex]\frac{(-4)^2}{b^2} - \frac{3^2}{a^2} = 1[/tex] becomes

[tex]\frac{(-4)^2}{2^2} - \frac{3^2}{a^2} = 1[/tex]

[tex]\frac{(-4)^2}{4} - \frac{9}{a^2} = 1[/tex]

[tex]4 - \frac{9}{a^2} = 1[/tex]

Collect like terms

[tex]- \frac{9}{a^2} = -3[/tex]

Cross multiply

[tex]-3a^2 = -9[/tex]

Divide both sides by -3

[tex]a^2 = 3[/tex]

Take square roots of both sides

[tex]a = \sqrt 3[/tex]

Hence, the value of (a) and (b) for the hyperbola are [tex]\sqrt 3[/tex] and 2

Answers

Answer:

Step-by-step explanation:

8*8 = 64

64 - 47 = 17

what is the equation for 15% of 24

Answers

Answer:

5 / 5 = 100% Nov 18 11:54 UTC (GMT)

15 / 24 = 62.5% Nov 18 11:54 UTC (GMT)

255 / 280 = 91.071428571429% Nov 18 11:54 UTC (GMT)

0.067 = 6.7% Nov 18 11:54 UTC (GMT)

51 / 50 = 102% Nov 18 11:54 UTC (GMT)

Answer:

24 times .15

Step-by-step explanation:

15% is equal to .15, and in this case, if you are trying to find the answer, it is 3.6

-(-3 / -2)= ???? I need help pleasee

Answers

Answer: -(-3 / -2)= ?

Step-by-step explanation:

Answer:

1.5

Step-by-step explanation:

- - = +

so 3 ÷ 2 is 1.5

hope it helps!

i need help with this ^

Answers

b + 24 + 7b + 4b = 180
12b + 24 = 180
12b = 156
b = 13

A spring balance measures?

Answers

Answer:

A spring balance measures the weight of an object by opposing the force of gravity acting with the force of an extended spring.

mrk brainliest?

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