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3 years ago

What is the value of x? Enter your answer in the box. x = ?

Mathematics

1 answer:

Tema [17]3 years ago

7 0

The partial circles in each corner mean that all 3 angles are identical, which means this is an equatorial triangle. In an equatorial triangle all three sides are the same.

We can set two of the equations to equal each other and solve for x:

3x -5 = 2x +20

Add 5 to each side:

3x = 2x +25

Subtract 2x from each side:

x = 25

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What amount of money do you have if you have 5 pennies, 13 nickels, 14 dimes, 2 quarters, and one 5 dollar bill?

BartSMP [9]

Answer:

$7.60

Step-by-step explanation:

Penny = $0.01
Nickel = $0.05
Dime = $0.10
Quarter = $0.25

( 5 × 0.01 ) + ( 13 × 0.05 ) + ( 14 × 0.10 ) + ( 2 × 0.25 ) + 5

-The 5 at the end represents the one five dollar bill.

Simplified: (solve what is in the parenthesis)

0.05 + 0.65 + 1.4 + 0.50 + 5 = $7.60

4 0

3 years ago

Does anyone know part B to this?!?!? I will give brainilest

fomenos

Answer:

(0,7)

Step-by-step explanation:

5 0

2 years ago

What equation can I use to find the side of a cube whose area is 729?

Tom [10]

#1 There is no area of a cube. There is only a volume.
#2 The formula is $V = s^{3}$ where s is the side.

Substitute 729 in V since that is the volume.
$729 = s^{3}$

Take the cube root and you will get 9.

So the formula is $V = s^{3}$ and the side is 9.

8 0

3 years ago

If a number is divisible by 3, then its odd

tatyana61 [14]

Answer:

and? obviously bc 3 isnt a even number so then the answer wont be even

4 0

3 years ago

Can somebody help me please

serious [3.7K]

Answer:

-7 and 21

Step-by-step explanation:

y-2y=7 (sub x=7 to the equation)

-y=7

y=-7 (not sure of its correct)

if y=-7,

x-2(-7)=7 (sub y=-7 into equation)

x-14=7

X=7+14

X=21

8 0

2 years ago