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2 years ago

Simplify the following expression: 3X(4-1) + (6+21)

2 answers:

8 0

Answer:
9x + 27

Explanation: you use the order of operations P(parenthesis) E (exponents) M (multiplication) D (division) A (addition) S (subtraction) PEMDAS

Ilya [14]2 years ago

3 0

Answer:

9x+27

Step-by-step explanation:

3x(4−1)+6+21

=9x+6+21

Combine Like Terms

=9x+6+21

=(9x)+(6+21)

=9x+27

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Find the volume of the triangular prism.<br> 3cm<br> 10cm<br> 7cm

asambeis [7]

Answer:

volume of the triangular prism = 105cm³

Step-by-step explanation:

to find the volume of a triangular prism , given the three sides to be 3cm, 10cm, 7cm,

so, recall the formulae for calculating the volume of a triangular prisim

volume of the triangular prism = 1/2 x a x b x c

volume of the triangular prism = 1/2 x 3cm x 10cm x 7cm

volume of the triangular prism = 3cm x 5cm x 7cm

volume of the triangular prism = 105cm³

therefore the volume of the trangular prism is evaluated to be equals to 105cm³

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2 years ago

The point (3, 5) is reflected across the y-axis.

NeX [460]

(-3,5)

X coordinate becomes negative

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3 years ago

Hey y'all can u help me on this

Mice21 [21]

Answer:

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2 years ago

Read 2 more answers

The average cost of 3 books 3:2:5 is $50. How much does each book cost?

Nina [5.8K]

Step-by-step explanation:

We have to find what one share is

we have 3 shares + 2 shares + 5 shares

so he have a total of 10 shares

next, we divide 50 by total shares to get what one share is

50 ÷ 10 = 5

5 is one share

fins what each is

for 3

3 shares so 3 fives

3 × 5 = 15

for 2

2 shares so 2 fives

2 × 5 = 10

and for 5

can you work it out and leave in the comments i will say if it is correct

3 0

2 years ago

Of the $2400 Mr Calvin earned, he spent 3/8 on food, 1/3 on taxes and 1/6 on other expenses. Find out how much all this is in do

sattari [20]

Answer: $300

Step-by-step explanation:

Mr. Calvin earned $\$2400$

He spent $\frac{3}{8}$ on food i.e.

$\Rightarrow \dfrac{3}{8}\times 2400=\$900$

$\dfrac{1}{3}\quad \text{on taxes i.e.}\\\\\Rightarrow \dfrac{1}{3}\times 2400=\$800$

$\dfrac{1}{6}\ \text{on other expenses i.e.}\\\\\Rightarrow \dfrac{1}{6}\times 2400=\$400$

Remaining money = $2400-900-800-400=\$300$

So, he saved $300 after expenses

7 0

2 years ago