3 years ago

Which equation is NOT true?

Mathematics

1 answer:

MrRissso [65]3 years ago

7 0

I'm gonna say c I'm not shore though

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15% of 9 dollars is how many dollars

Ket [755]

9 .............. 100%
x................ 15%

100x = 15 . 9
100x = 135
x = <u>135</u>
100
x = 1,35

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3 years ago

If two angles are supplementary, their sum equals

Black_prince [1.1K]

If two angles are supplementary, their sum equals 180 degrees

7 0

4 years ago

Zolol [24]

The value of this expression when =-2 and x=-1 is: 3.

<h3>Value of the expression</h3>

Given equation:

-2 and x=-1

Solving the value of the given equation

-2 and x=-1

Hence:

=-(-1)+2

=1+2

Therefore the value of this expression when =-2 and x=-1 is: 3.

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2 years ago

Sam buys tickets to a basketball game for $92.00 total. He must also pay 11% sales tax on the tickets. Write and simply a numeri

Flauer [41]

Sales tax 11%
11/100 x $92.00
=$10.12

Total cost = x
x= $92.00 + $ 10.12
= $102.12

7 0

3 years ago

Find the total surface area of this cuboid

Harman [31]

Step-by-step explanation:

☄ $\underline{ \underline{ \sf{Given}}}:$

Length ( l ) = 4 cm
Width ( w ) = 2 cm
Height ( h ) = 5 cm

☄ $\underline{ \underline{ \sf{To \: find}}} :$

Total surface area of a cuboid

❅ $\underline{ \underline{ \text{Solution}}}:$

✑ $\boxed{ \text{TSA = 2lw + 2lh + 2hw}}$

Plug the known values :

⟼ $\sf{2 \times 4 \times 2 + 2 \times 4 \times 5 + 2 \times 5 \times 2}$

⟼ $\sf{16 + 40 + 20}$

⟼ $\boxed{\sf{76 \: {cm}}^{2} }$

$\red{ \boxed{ \boxed{ \tt{⟿ \: Our \: final \: answer : 76 \: {cm}}^{2} }}}$

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4 0

3 years ago