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Wewaii [24]
3 years ago
5

1. 4x - y = 6 2. 3x + 2y = 8 3. y - 1/2x = 3/4

Mathematics
1 answer:
PIT_PIT [208]3 years ago
6 0
1➡Problem ▶4x - y = 6
Steps▶4(x)-y- 6=? 
y-intercept▶6÷-1 = -6, right ?
x-intercept ▶ 6÷4 which is also equal. to▶ 3÷2 , they both equal 1.5 , right?
The answer⬇

Your slope▶4
y-intercept ▶ -6
x-intercept ▶1.5

2➡Problem 3x + 2y = 8
Steps▶3(x)+2(y)-8=?
y-intercept▶ 8 ÷ 2 = 4, right?
x-intercept 8 ÷ 3 = 2.67 ,right?
Slope▶-3.0÷2.0 = -1.50

Your answer⬇
y-intercept ▶4
x-intercept ▶2.67
Slope ▶1.50

3 ➡Problem y - 1/2x = 3/4
Steps ▶ 3÷4 = .75
1÷2 = .5
y-intercept ▶ 3÷4 = .75,right?
x-intercept ▶3 ÷ (-2) = -1.50; 1.5 , right ?
Slope ▶ 1 ÷ 2 = .5, right ?

your answer⬇
y-intercept : .75
x-intercept: 1.5
Slope .5





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Answer:

D.

Step-by-step explanation:

In direct variations, we would have:

q=kr

Where <em>k</em> is some constant.

Since this is indirect variation, instead of that, we would have:

q=\frac{k}{r}

To determine the equation, find <em>k</em> by putting in the values for <em>q </em>and <em>r:</em>

<em />10=\frac{k}{2.5}\\k=2.5(10)=25<em />

Now plug this back into the variation:

q=\frac{25}{r}

The answer is D.

4 0
3 years ago
Molly is making Strawberry infused water for each ounce of strawberry juice she uses three times as many ounces of water she wan
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Answer:

The Total of <u>16 ounces</u> of Strawberry juice and <u>48 ounces</u> of water is used for making 64 ounces of Strawberry infused water.

Step-by-step explanation:

Let the amount of Strawberry juice in ounces be 'j'

Let the amount of water in ounce be 'w'

Given:

For each ounce of strawberry juice she uses three times as many ounces of water.

It means that amount of water in ounce is 3 times of amount of strawberry juice in ounce.

framing the equation we get;

w=3j

Now we need how many ounces of strawberry juice and how many ounces of water does she need to make 64 ounces of strawberry infused water.

We know that Total Strawberry infused water is equal to sum of amount of Strawberry juice in ounces and the amount of water in ounces

Framing in equation form we get;

j+w=64

But we know w=3j

hence,

j+3j= 64\\\\4j=64\\\\j=\frac{64}{4} = 16 \ ounces

Hence amount of Strawberry juice = 16 ounces

Amount of water = 3j = 3\times16 =48 \ ounces

Hence The Total of <u>16 ounces</u> of Strawberry juice and <u>48 ounces</u> of water is used for making 64 ounces of Strawberry infused water.

5 0
3 years ago
Braylon has a board 18 feet long. He wants to cut it into pieces that are 3 feet long. How many pieces will he have after he mak
LUCKY_DIMON [66]
The answer is 6.
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7 0
4 years ago
2x+18-1=33 what is the awnser
Hitman42 [59]
<span>2x + 18 - 1 = 33

First combine like terms on the left side.
2x + 17 = 33

Now subtract 17 from both sides.
2x = 16

Lastly, divide both sides by 2.
x = 8

The answer is x = 8.</span>
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3 years ago
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7 0
3 years ago
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