Write the doubles fact you can use to find the sum. write the sum. 2+3=5

Answers

Answer 1
Answer: 3+2=5
2+3=5
This is my answer because these are some of the fact families
Answer 2
Answer: 2+3=5
3+2=5
And yes, you are correct :)

-RainyClouds


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-x - 7y = 18
4x + 7y = -30
How can you order a ladder?

Answers

I can solve
add them equations

-x-7y=18
4x+7y=-30 +
3x+0y=-12

3x=-12
divide 3
x=-4
sub
-x-7y=18
-(-4)-7y=18
4-7y=18
minus 4
-7y=14
dividd e-7
y=-2

x=-4
y=-2
(-4,-2)

What is 52056 divided by 783

Answers

just write 66.48 use a calculator if needed
It is a large decimal that I'm pretty sure isn't the answer you want but its the correct answer: 66.482758621....

What is the expanded form of 876 million

Answers

First lets write 876 million out:- 

876, 000, 000

Now lets write it in expanded form:-

876, 000, 000

800,000,000 + 70,000,000 + 6,000,000 + 0 + 0 + 0 + 0 + 0 + 0  = 876, 000, 000

So, 876 million in expanded form is:-

800,000,000 + 70,000,000 + 6,000,000 + 0 + 0 + 0 + 0 + 0 + 0  = 

Hope I helped ya!! xD 

Juliana wants to find the mass of a watermelon, what unit should she use?

Answers

a unit should be inches because if u were to use feet what if the watermelon was 10 inches it would be hard because a foot is 12 inches so inches is safer


Please Can I Be Brainliest :)

2. If y varies inversely as x and
y = 3 when x = 5, find x when y = 2.5

Answers

Answer:

Step-by-step explanation:

From the law of variation,

y <> 1/x, where <> is the constant of proportionality. Therefore

y = k/x where k is a constant

3 = k/5 and k = 15

To find x when y = 2.5(5/2)

Go back to the second equation

y = k/x

5/2 = 15/x

When you cross multiply

5x = 30.

Divide through by 5,

x = 6.

best rentals charges a daily fee plus a mileage fee for renting its cars. barney was charged $159 for 3 days and 300 miles, while mary was charged $289 for 5 days and 600 miles. what does best rental charge per day and per mile?

Answers

Answer:

Let charge per day be $x  and charge per mile be $y  

then:

as per the given condition we have;

3x + 300y =159          .....[1]

5x + 600y = 289       .....[2]

Multiply equation [1] both sides by 5 we get;

5(3x+300y) = 5 \cdot 159

Using distributive property: a \cdot(b+c) = a\cdot b+ a\cdot c

15x+1500y = 795                 .....[3]

Multiply equation [2] by 3 both sides we get;

3(5x+600y) = 3 \cdot 289

Using distributive property: a \cdot(b+c) = a\cdot b+ a\cdot c

15x+1800y = 867                    .....[4]

Subtract equation [3] from [4] to eliminate x and solve for y;

15x+1800y-15x-1500y = 867 -795

Combined like terms;

300y = 72

Divide both sides by 300 we get;

y = (72)/(300)=0.24

⇒  y =$0.24 per mile.

Now substitute this value y in equation [1] to solve for x;

3x + 300(0.24) =159

3x + 72 =159

Subtract 72 both sides we get;

3x + 72 -72 = 159 -72

Simplify:

3x = 87

Divide both sides by 3 we get;

x = (87)/(3) = 29

Therefore, the best rental charges per day is, $ 29 and the charges per mile is, $0.24