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3 years ago

Name:

Mathematics

1 answer:

Marysya12 [62]3 years ago

4 0

Answer:

200 rev.

Step-by-step explanation:

$0.7*\pi=\frac{11}{5} \\\\440÷\frac{11}{5} = 200$

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Anna wants to add compatible numbers to find the following sum. 27.95 + 19.37 + 34.05 + 21.63 Which pairs of numbers are compati

dsp73

Answer:

27.95 and 34.05 are compatible because when you add up the decimals, the equal 0, which makes it easier to add. 27. 95 + 34.05 = 61.00.

Same with 19.37 and 21.63, it adds up to 40.00

The answer to all of this would be 101.00

5 0

3 years ago

Prove algebraically that each expression has the same value by evaluating each expression for y=5:

Illusion [34]

Answer:

See explanation

Step-by-step explanation:

Given two expressions

$7(3y-5)-2(10+4y)$

and

$13y-55$

Substitute y = 5 into each expression:

$7(3y-5)-2(10+4y)\\ \\=7(3\cdot 5-5)-2(10+4\cdot 5)\\ \\=7\cdot (15-5)-2\cdot (10+20)\\ \\=7\cdot 10-2\cdot 30\\ \\=70-60\\ \\=10$

$13y-55\\ \\=13\cdot 5-55\\ \\=65-55\\ \\=10$

As you can see the results are the same.

7 0

4 years ago

Simplify to create an equivalent expression. 2 – 4(5p + 1)

Ganezh [65]

Answer:

A. -20p - 2

General Formulas and Concepts:

Pre-Algebra

Distributive Property

Algebra I

Combining Like Terms

Step-by-step explanation:

Step 1: Define

2 - 4(5p + 1)

Step 2: Simplify

Distribute -4: 2 - 20p - 4
Combine like terms: -20p - 2

6 0

3 years ago

Read 2 more answers

Find the indicated side of the right triangle

Olenka [21]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \:x = 3\sqrt3$

____________________________________

$\large \tt Solution \: :$

$\qquad \tt \rightarrow \: \tan(60) = \cfrac{x}{3}$

$\qquad \tt \rightarrow \: \sqrt{3} = \dfrac{x}{3}$

$\qquad \tt \rightarrow \: x = 3 \sqrt{3}$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

5 0

2 years ago

Factor the polynomial

harina [27]

Answer:

5y(2y-3)^2

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers