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2 years ago

Write in slop intercept form

Mathematics

1 answer:

Mnenie [13.5K]2 years ago

3 0

The slope intercept form is Y=-2/3x-5

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In a school 40% are boys and 900 are girls. find the total number of students of the school and the number of boys

My name is Ann [436]

Answer:

1500 students

600 boys

Step-by-step explanation:

40% are boys, so 60% are girls.

Writing a proportion:

900 / 60% = x / 100%

x = 1500

There are 1500 students in the school, which means there are 600 boys in the school.

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3 years ago

Use a net of the square pyramid, if necessary, to find the surface area of the pyramid.

katen-ka-za [31]

Answer:

128 if it wants the whole thing than 192

Step-by-step explanation:

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2 years ago

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1 year ago

Read 2 more answers

Page

Sonja [21]

Answer:

8,333 total population

Step-by-step explanation:

Question can be restated as "5000 is 60% of what number?"

5000 = .6x

x = 5000/0.6

x = 8,333.33

6 0

2 years ago

Is the answer a, b, c, or d.

ale4655 [162]

The correct answer is d.

We have the following system of linear equations:

(I) $4x+7y=-14$
(II) $8x+5y=8$

Let's use the elimination method, then let's multiply the equation (1) $\times(-2)$ and subtracting (I) and (II):

(I) $-2(4x+7y)=-2(-14)$
∴ $-8x-14y=28$

(I) $-8x-14y=28$
(II) $8x+5y=8$
____________________
(III) $-9y=36$

∴ $y=-4$

We can find the value of x by substituting y either in (I) or (II). Thus, from (I):

$4x+7(-4)=-14$
∴ $4x-28=-14$
∴ $4x=14$
∴ $x=\frac{14}{4}$
∴ $\boxed{x=\frac{7}{2}}$

Let's substitute the values of x and y into (I) and (2)

(I) $4(\frac{7}{2})+7(-4)=14-28=-14$
(II) $8(\frac{7}{2})+5(-4)=28-20=8$

Finally the answer is:

$\boxed{x=\frac{7}{2} \rightarrow x= 3 \frac{1}{2}}$

4 0

2 years ago

Write in slop intercept form​

Write in slop intercept form