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MArishka [77]
2 years ago
9

Which subtraction sentences show you how to find 15-7

Mathematics
2 answers:
Alborosie2 years ago
8 0
First you need to divide 7 and 15, and the answer you get is 8, so 8+7=15. 8 will be your answer.
Ksenya-84 [330]2 years ago
3 0
8 because 8+7 is 15 hope you get iy
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Help me Please!!!!!!!​
Murljashka [212]

Answer:

\boxed{Option \ C}

Step-by-step explanation:

Sin \ Y = \frac{Opposite }{Hypotenuse } = \frac{XZ}{XY}

Cos \ Y = \frac{Adjacent}{Hypotenuse} = \frac{YZ}{XY}

Tan Y = \frac{opposite}{adjacent} = \frac{XZ}{ZY}

7 0
3 years ago
Read 2 more answers
3t^2+10t+7<br> factor im confused what im doing
mrs_skeptik [129]

Answer:

(3t + 7) (t + 1)

Step-by-step explanation:

3t^2 + 10t + 7

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8 0
3 years ago
A right rectangular prism has a volume of 470.40 cm³. The length of the solid is 6.4 cm and the width is 9.8 cm.
Bogdan [553]
V = l * w * h
470.40 = 6.4 * 9.8 * h
Multiply the length and width on the right side of the equation.

470.40 = 62.72 * h
Divide both sides by 62.72
7.5 cm = h

CHECK
V = l * w * h
V = 6.4 * 9.8 * 7.5
V = 470.4 cm^3
5 0
3 years ago
Read 2 more answers
Ralph is 3 times as old as Sara in 4 years Ralph will be twice as old as Sara will be then. Find Ralph’s age now.
Xelga [282]

Answer:

3x+4 Ralph is currently 12 years old.

Step-by-step explanation:

You can find the equation by reading the scenario given. When you read it, it says that Ralph is 3 times as old as Sara and since her current age is going to be used to represent x you will first get 3x. That automatically eliminates the second and third choice given. It then says the equation is for Ralph's age in four years which means to add four to the equation. This gives you 3x+4 as your equation.

When something is tripled and then in a few years it is doubled, it is easiest to first try the number that is being added. So in this case the number is four. When you multiply 4 by 3 you get 12. If Sara is 4 she'll turn eight in four years and if Ralph is 12 he'll turn 16 in four years. 16 divided by 2 is 8 which shows you that Ralph is currently 12

6 0
3 years ago
How do we find the rate of a loan if the total payment is $1,235. The loan was $800 in 5 years
garik1379 [7]
$1235-$800=$435 thus the I which is the simple interest
:I=PRT all over 100
435=800(R) (5)all over 100
43500=4000R
:R=10.88%
7 0
3 years ago
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