Solve for x in the diagram.

Mathematics

2 answers:

Kazeer [188]3 years ago

7 0

It is a right triangle so,

a² + b² = x²
9² + 12² = x²
225 = x²
√225 = x
15 = x

Hope this helps :)

Leokris [45]3 years ago

6 0

As you can see, the answer is 15

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You have 17 coins in pennies, nickels, and dimes in your pocket. The value of the coins is $0.47. There are four times the numbe

Anettt [7]

<span><em>12 pennies, 3 nickles, and 2 dimes</em>

p = number of pennies
n = number of nickles
d = number of dimes
p(1) + n(5) + d(10) = 47
that is, the number of pennies x 1 cent + number nickles x 5 cents
+ number of dimes x ten cents equals 47 cents
p = 4n
p + n + d = 17
Substituting 4n for p in the above
4n + n + d = 17
5n + d = 17
Subtract 5n from each side
d = 17 - 5n
We will now substitute 4n for p and ( 17-5n ) for d in
the equation
p(1) + n(5) + d(10) = 47
4n(1) +n(5) + (17-5n)(10) = 47

9n + 170 - 50n = 47
-41n + 170 = 47
Subtract 170 from each side
-41n = 47 - 170
-41n = -123
Divide each side by -41
n = 3
Since p = 4n
p = 4(3)
p = 12
Since p + n + d = 17
12 + 3 + d = 17
15 + d = 17
d = 2
So we have 12 pennies, 3 nickles and 2 dimes
12 + 3(5) + 2(10) ?= 47
12 + 15 + 20 ?= 47</span>

3 0

4 years ago

HELP ASAP QUESTION IN PHOTO

cluponka [151]

Your answer would be A =7

8 0

3 years ago

Which property of equality accurately completes Reason C?

julia-pushkina [17]

The property of equality thatt accurately completes Reason C is the subtraction Property of Equality

<h3>What is subtraction property of equality?</h3>

It should be noted that the subtraction property of equality is that when the same number is subtracted from both sides of an equality, then the two sides of the equation still remain equal.

Based on the information, the property of equality thatt accurately completes Reason C is the subtraction Property of Equality.

Learn more about equality on:

brainly.com/question/401435

#SPJ1

Use the figure and flowchart proof to answer the question.

Which Property of equality accurately completes Reason B?

A). Addition Property of Equality

B). Divison Property of Equality

C). Substitution Property of Equality

D). Subtraction Property of Equality