Solve the equation for y: w- 302 4y-12

Answers

Answer 1

Answer:

the equation (y-3)^2 =4y-12

y = -7

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A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 per cent larger than the original. By what percentage has the area of the logo increased?a. 50 b. 80 c. 100 d. 125 e. 250
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I will just give brainliest who ever answers first

A circular piece of metal has a radius of 3.5 meters. The metal sells for $3.25 per square meter.

What is the total cost of the circular piece of metal?

A.
$11.38

B.
$38.47

C.
$71.44

D.
$125.01

Answers

Use the formula for finding the area of a circle, then multiply it by each square meter.

A = π r²
A = π (3.5)²
A = 12.25π
A = 38.485

C = 3.25(38.485)
C = 125.01

Answer = $125.01

Area of circle = πr²

Radius, r = 3.5m,

Area = πr² = π*3.5*3.5 = 12.25π m²

Area ≈ 12.25 *3.141 ≈ 38.477 m²

Since the metal sells for $3.25 per square meter.

Total cost for 38.477 m² = 38.477 * 3.25 = 125.05

Answer is = $125.05

The answer is not really there, but let's say we can manage option D which is $125.01.

Frank needs to fill juice cups for his little sister's birthday party. There are 35 juice cups and each juice cup holds 12 fluid ounces. The juice comes in 1-gallon bottles. How many 1-gallon bottles of juice will Frank need to purchase?(1 quart = 32 fluid ounces, 1 gallon = 4 quarts)
A: 1 Bottle
B: 2 Bottles
C: 3 Bottles
D: 4 Bottles

Answers

128 oz. in one gallon. 35 cups of 12 oz. equals 420 oz. 420 divided by 128 equals 3.28 so youll need 4 bottles. D.

From a class of girls and boys the probability that one student chosen at random to answer a question will be a girl is 1/3 . If four boys leave the class , the probability that a student chosen at random to answer a question will be a girl is 2/5 . How many boys and girls are there in the class before the four boys leave ?

Answers

let the no. of girls be x and boys be y......
x/y=1/3
=>3x=y ...............(I)
now 4 boys leave the class is then
x/y-4=2/5
=>5x=2y-8
(I)=>5x=2(3x)-8
x=8
now 3x=y
=>y=24
therefore no. of girls is 8 and the no. of boy is 24..............
I have tried my best.....hope i helped............

Answer:

Step-by-step explanation:

3x-150=1778. Help me please I need help bad

Answers

the answer i think is x=1928 over 3

3x -150 = 1778
3x =1778 +150
3x = 1928
x =1928/3
x= 642 .6666666666667

Given the following functions, find each: f(x)=x2+5x−14 g(x)=x−2 (f+g)(x)= (f−g)(x)=

Answers

Answer:

(f+g)(x) = x²+5x-14 + (x-2)

= x²+5x-14+x-2 = x²+6x-16

(f-g)(x) = x²+5x-14 - (x-2)

= x²+5x-14 - x+2

= x²+5x-14-x+2 = x²+4x-12

How do I figure out expressions for example -4×4×4×4×4×4×4×4?

Answers

-4x4x4x4x4x4x4x4 simplified would be -4^8

Answer:

-4x4x4x4x4x4x4x4 simplified would be -4^8

Step-by-step explanation:

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