Simplify the expression. (8 + 7a) + 4 7a

Answers

Answer 1

Answer: For this one I'm going to assume that 4 7a means 4 * 7a...

(8 + 7a) + 4 * 7a =
8 + 7a + 28a =
8 + 35a

If I read it wrong and 4 7a is actually 47a then...

(8 + 7a) + 47a =
8 + 54a =
2(4 + 27a)

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How much hydrochloric acid is in a 60 milliliter bottle that is marked 80% hydrochloric acid

Answers

Work:

80% = 0.80

0.80 × 60 = 48

Answer:

48 milliliters

What is the value of x?

Answers

Answer:

Step-by-step explanation:

sin = opposite side / hypoteneuse side

opposite side = x

hypoteneuse side = 8

thus; sin 30° = x/8

x = sin 30°×8

= 0.5 × 8

= 4

By Sine Rule,

x/sin30° = 8/sin90°

x/0.5 = 8/1

So x = 4.

The drawee is theA. person who writes the check.
B. bank with which the drawer has an account.
C. person to whom the check is payable.
D. person who reconciles the account.

Answers

I think its A hope this helps!!!!!!!

Answer:

bank with which the drawer has an account.

Step-by-step explanation:

Took test

What is larger 3/5 or 5/9

Answers

Hey there!

These are the stepsinvolved in answering this question:

1. Change $(3)/(5)$ and $(5)/(9)$ into decimals.
To do this, divide the numerator by the denominator. The numerator is the top part of the fraction, while the denominator is the bottom part of the fraction.

2. So, $(3)/(5)$ = 0.6
$(5)/(9)$ = 0.56

3. This concludes that $(3)/(5)$ is larger than $(5)/(9)$ since 0.6 is bigger than 0.56.

(If you feel that myanswer has helped you, please consider rating it and giving it a thank you!Also, feel free to choose the best answer, the brainliest answer!)

Thank you for beingpart of the brainly community! :D

the answer is most likely 5/9

N a water treatment plant, water passes through a cone-shaped filter with a height of 4 m and a diameter of 9 m. The water flows from the filter into a cylinder below it. One full cone-shaped filter fills one-fifth of the cylinder.What are the dimensions of the cylinder? Use 3.14 to approximate pi.
A. h = 3 m; r = 3 m
B.h = 4.23 m; r = 5 m
C.h = 15 m; r = 6 m
D.h = 33.75 m; r = 2 m

Answers

Given:
Cone-shaped filter: height = 4m ; diameter = 9m
cylinder: one full cone-shape filter fills 1/5 of the cylinder

volume of the cone = π r² h/3 = 3.14 * (4.5m)² * 4m/3
V = 3.14 * 20.25m² * 1.33m
V = 84.57 m³

84.57 m³ ÷ 1/5 = 84.57 m³ * 5 = 422.85 m³ volume of the cylinder

Volume of cylinder = π r² h

Choice A: V = 3.14 * (3m)² * 3m = 3.14 * 9m² * 3m = 84.78 m³
Choice B: V = 3.14 * (5m)² * 4.23m = 3.14 * 25m² * 4.23m = 332.10 m³
Choice C: V = 3.14 * (6m)² * 15m = 3.14 * 36m² * 15m = 1695.60 m³
Choice D: V = 3.14 * (2m)² * 33.75 m = 3.14 * 4m² * 33.75m = 423.90 m³

The closest answer is Choice D. height = 33.75 m ; radius = 2 m

Find the GCF of each expression. Then factor the expression. 25b^2 - 20b

Answers

Hello!

The prime factors of these two numbres are :

$25b^2 = 5^2* b^2\n 20b = 5* 2^2 * b$

The GCF can be calculated by multiplying common primes factors :
$5* b = 5b$

So the GCF is 5b and the expression can be factored this way :
$25b^2 - 20b = 5b* 5b - 4* 5b = 5b\left(5b-4\right)$

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