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LekaFEV [45]
2 years ago
6

I NEED HELP WITH THIS QUIZ PLEASE EXPLAIN ALL ANSWERS

Mathematics
2 answers:
Stells [14]2 years ago
8 0

Answer:

Step-by-step explanation:

it is a and j

Svet_ta [14]2 years ago
5 0

Answer:

1.D , 2.G, 3. a. 4.f

Step-by-step explanation:

1. We have five x bars so we will represent that as

5x

We have 8 -1 boxes so that add up to be

- 8

On the right side we have 10 1 boxes so the right side value is 10.

Set up an equation.

5x - 8 = 10

Add 8 on both sides

5x = 18

Divide 5 by both sides

x = 3.6

2.Plug in 22 for g in all the answer choices to see if it correct or isolate g and see if it equal to 22.

G is the right answer , I'll do it both ways.

Plug in 22 for g

2(22 - 6) = 32

2(16) = 32

32 = 32

Isolate g

2(g - 6) = 32

2g - 12 = 32

2g = 44

g = 22

3.Llyod has 126 ounces of water. He spilled 36 ounces of water. We are trying to find the maximum number of cups he can fill after he spilled 36 ounces. This is represented by

6c \leqslant126 - 36

6c \leqslant 90

c \leqslant 15

so the answer is A

4.Plug in 18 and also any number greater than 18 and make sure the inequality true

F is true so F is the answer.

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Please help me with this !!
Sergio [31]

Answer: AC = 7√3

tan 30° = \frac{BC}{AC}

=> \frac{BC}{AC}=\frac{1}{\sqrt{3} }\\\\\=> AC=BC\sqrt{3} =7\sqrt{3}

Step-by-step explanation:

3 0
3 years ago
The perimeter of the rectangle below is 184 m .What is the value of y
stiks02 [169]

Step-by-step explanation:

2x + 2y = 184 ---- eqn 1

y = 184 - 2x / 2

y = 92 - x ---- eqn 2

7 0
3 years ago
20.99 for a 42 lb-bag of dog food (im pretty sure your supposed to divide the last number to the first number example: 18.5÷11.9
ra1l [238]

Answer:

18.5÷11.99 is correct the answer is most likly option B

5 0
3 years ago
Please help!!! I will mark someone brainliest!
valina [46]

Answer:

a = 8, b = \frac{3}{2}

Step-by-step explanation:

Given the exponential function

f(x) = ab^{x}

To find a and b use the given coordinate points on the graph

Using (0, 8 ), then

8 = ab^{0} [ b^{0} = 1 ] , then

a = 8

f(x) = 8b^{x}

Using (2, 18 ) , then

18 = 8b² ( divide both sides by 8 )

\frac{18}{8} = b² , that is

b² = \frac{9}{4} ( take the square root of both sides )

b = \sqrt{\frac{9}{4} } = \frac{3}{2}

Thus

f(x) = 8(\frac{3}{2}) ^{x}

3 0
2 years ago
I really need the answer now!! Thanks !
Helga [31]
When you collect terms, for the first one you get
  -x² -3xy +4 = -x² -3xy +4 . . . . . . equivalent equations.

4 0
3 years ago
Read 2 more answers
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