3 years ago

3? Choose the THREE correct answers.

Mathematics

1 answer:

Eduardwww [97]3 years ago

8 0

None of them have a solution of x, but 5x=15, 7x-2=19, and 5x+6=21 all have the same answer of x=3

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Helllp this is easy

Mazyrski [523]

Answer: 12 feet.

Step-by-step explanation:

Use the Pythagorean theorem to solve:

$a^2 + b^2 = c^2\\5^2 + b^2 = 13^2\\25 + b^2 = 169\\b^2 = 144\\b = 12$

The third side length is 12.

3 0

4 years ago

Read 2 more answers

Jessie has a total of 36 coins of dimes and nickels. Total value is $2.35. How many of each kind of coins does he have?

Viktor [21]

There are 2 dollars so that would equal 20 dimes.

Proof:

10 cents = a dime

20 x 10 = 200 = 2 dollars

There are 35 cents to that would equal 3 dimes and 1 nickel.

Proof:

10 cents = a dime

5 cents = a nickel

3 x 10 = 30

1 x 5 = 5

So the final answer would be 23 dimes and 1 nickel.

7 0

3 years ago

Which expression is equivalent to -36 – 8?

balandron [24]

Answer:

-36+-8=-44

Step-by-step explanation:

8 0

3 years ago

What is 9 times 3 fourths ?

Elena L [17]

9 * 3/4 = 6.75

You could change 3/4 into a decimal by dividing 3 by 4, which equals ,75.

4 0

3 years ago

Is (1, 4) a solution to this system of equations? 3x + y = 7

inysia [295]

B. Yes, (1,4) is a solution

8 0

3 years ago