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3 years ago

4. What is the y-intercept of the line represented by y=4x?

Mathematics

1 answer:

chubhunter [2.5K]3 years ago

5 0

Answer:

(0,0) choice a.

Step-by-step explanation:

if you let x = 0 you can find the y-intercept.

so y = 4*0 = 0

Which means y=0 is the y-intercept.

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A swing set is going to be placed over a region of mulch that is shaped like a trapezoid. The bases of the trapezoid have a leng

matrenka [14]

Answer:

$114.8\ ft^{2}$

Step-by-step explanation:

we know that

The area of a trapezoid is equal to

$A=\frac{1}{2}(b1+b2)h$

In this problem we have

$b1=12\ ft$

$b2=15\ ft$

$h=8.5\ ft$ ----> the height of the trapezoid is the perpendicular distance between the bases

substitute the values

$A=\frac{1}{2}(12+15)(8.5)$

$A=\frac{1}{2}(27)(8.5)=114.75\ ft^{2}$

Round to the nearest tenth

$114.75=114.8\ ft^{2}$

7 0

3 years ago

Read 2 more answers

Which pair shows equivalent expressions?

umka21 [38]

Answer:

Don'tknow I am sorry...................... 

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2 years ago

Find the sum of (1-1/n) + (1-2/n) + (1 - 3/n)....upto n terms

bija089 [108]

Answer:

(n - 1)/2

Step-by-step explanation:

F = (1 - 1/n) + (1 - 2/n) + (1 - 3/n) + ...(1 - n/n)

= (1 + 1 ... + 1) - (1/n + 2/n + 3/n + ...n/n)

(there are n terms of 1)

= n - (1 + 2 + 3 + ... + n)/n

= n - [n x (n + 1)/2]/n

= n - [n x (n + 1)]/[2 x n]

= n - (n+1)/2

= (2n - n - 1)/2

= (n - 1)/2

Hope this helps!

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2 years ago

In order for the parallelogram to be a rhombus x = ?

Zina [86]

Answer: x= 207.8873386

Step-by-step explanation:

expecting both 2x-15 and 3x are angles in radiant, let's draw a rhombus ABCD

∠ABC = 2x-15

∠ BCD = 3x

∠ABC + < BCD= π ( 180° in radiant)

2x - 15 + 3x = π

5x - 15 = π

x - 3 = 1/5π

= 3.628318531 = 207.8873386

2x−15°+3x=180

5x-15°=180

5x=195°

x=39°

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3 years ago

Rachel bought 7 cookies and 5 muffins. The equation 7c+5m=10.45 represents the amount of money she spent. Jack bought 3 cookies

malfutka [58]

M=1.25
c=0.6
I got this by creating a systems of equations and I used the substitution method

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2 years ago