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3 years ago

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Top answer will be with points please answer

1 answer:

SCORPION-xisa [38]3 years ago

4 0

Give me brainliest plz

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Estimate by rounding to the nearest ten. Then, find the sum.441+345=?

cricket20 [7]

441 to the nearest ten is 440
345 to the nearest ten is 350

The sum is;

440 + 350 = 790

3 0

3 years ago

-) (464 – 5) + (7 +664 - 662)

enyata [817]

Answer:

-468

Step-by-step explanation:

8 0

4 years ago

How many quarters are thee in 4 1/2

Neko [114]

Hi there!

quarter:18

<u><em>1.Find common denominator in 4 and 1/2:</em></u>

<u><em /></u> $4=\frac{1}{4}$ <u><em /></u>

<u><em /></u> $\frac{1}{2}=\frac{2}{4}$ <u><em /></u>

<u><em>2.Convert 4 2/4 into mixed number:</em></u>

<u><em /></u> $4\frac{2}{4}=\frac{18}{4}$ <u><em /></u>

<u><em>3.Divide 18/4 by 1/4:</em></u>

<u><em /></u> $\frac{18}{4}*\frac{1}{4}=18$ <u><em /></u>

Therefore, there is 18 quarters in 4 1/2.

4 0

3 years ago

Please help :) I have no clue & math isn’t my strong subject.

melisa1 [442]

Equation of a line that is perpendicular to given line is $y=\frac{-7}{4} x+\frac{7}{4}$ .

Equation of a line that is parallel to given line is $y=\frac{4}{7} x-\frac{69}{7}$ .

Solution:

Given line $y=\frac{4}{7} x+4$ .

Slope of this line, $m_1$ = $\frac{4}{7}$

$$\text{Slope of perpendicular line} = \frac{-1}{\text{Slope of the given line} }$

$$m_2=\frac{-1}{m_1}$

$$=\frac{-1}{\frac{4}{7} }$

Slope of perpendicular line, $m_2=\frac{-7}{4}$

Passes through the point (–7, 5). Here $x_1=-7, y_1=5$ .

Point-slope formula:

$y-y_1=m(x-x_1)$

$$y-(-7)=\frac{-7}{4} (x-5)$

$$y+7=\frac{-7}{4} x+\frac{35}{4}$

Subtract 7 from both sides, we get

$$y=\frac{-7}{4} x+\frac{7}{4}$

Equation of a line that is perpendicular to given line is $y=\frac{-7}{4} x+\frac{7}{4}$ .

To find the parallel line:

Slopes of parallel lines are equal.

$m_1=m_3$

$$m_3=\frac{4}{7}$

Passes through the point (–7, 5). Here $x_1=-7, y_1=5$ .

Point-slope formula:

$$y-(-7)=\frac{4}{7} (x-5)$

$$y+7=\frac{4}{7} x-\frac{20}{7}$

Subtract 7 from both sides,

$$y=\frac{4}{7} x-\frac{69}{7}$

Equation of a line that is parallel to given line is $y=\frac{4}{7} x-\frac{69}{7}$ .

7 0

3 years ago

Which is an equation of the line that passes through the points (5 15) and (10 20)?

faust18 [17]

The generic equation of the line is:
y-yo = m (x-xo)
Where,
m = (y2-y1) / (x2-x1)
Substituting values:
m = (20-15) / (10-5)
m = (5) / (5)
m = 1
We choose an ordered pair:
(xo, yo) = (5, 15)
Substituting values:
y-15 = 1 (x-5)
y = x - 5 + 15
y = x + 10
Answer:
An equation of the line that passes through the points (5 15) and (10 20) is:
y = x + 10

5 0

3 years ago