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Sergio039 [100]
3 years ago
15

Solve the following system of equations graphically. y=3x+4 y=-2x-5

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
3 0

Answer:

 (x, y) = (-1.8, -1.4)

Step-by-step explanation:

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A city is building a new pool in time for summer! A scale drawing of the pool is given. What is the area, in square feet, of the
Colt1911 [192]

Answer:

144 ft

Step-by-step explanation:

I took a math test and I got this question wrong I saw my results and the answer was 144 ft I swear this is the correct answer.

If its correct please mark me as brainliest

3 0
3 years ago
How many whole servings of 3/4 cups are in 3 1/2 cups of ice cream?
Kisachek [45]
Well, what you're going to do is.. turn 3 1/2 into an irregular fraction.

3 = 6/2
we still have the initially 1/2 left so we will add that.
7/2

now we want to change it so that the denominator is equal to 4 so we multiply both top and bottom by 2

14/4

now we divide the 14 by 3 and you will get approximately 4. we will ignore the rest because it asks for whole servings and 3 only goes nicely into 14 4 times
6 0
4 years ago
Dana surveyed students in her class. She found that 8 earned an A, 6 earned a B, 4 earned a C, and 2 earned a D on the last scie
lozanna [386]

Answer:

0.4 or 2/5

Step-by-step explanation:

Dana surveyed 20 students in total and out of those 20 only 8 got an A

so:

\frac{8}{20} now if you simplify it \frac{4}{10} and if you simplify it again:

\frac{2}{5} or 0.4 in decimal

7 0
3 years ago
Read 2 more answers
PLZ HELP IM BEGGING NOONE WOULD HELP ME
erastovalidia [21]
A.) because for Me you go right 3 and down 3 and so A.) you would go right 3 (5+3) which is 8 then down 3 which is 1.
5 0
3 years ago
Can someone please help? Thank you!
Svetradugi [14.3K]

Answer:

\dfrac{2x(5x+1)}{4x-1}

Step-by-step explanation:

Given expression:

\dfrac{\dfrac{4x^3-12x^2}{4x^2+7x-2}}{\dfrac{2x^2-6x}{5x^2+11x+2}}

Consider the numerator and the denominator separately.

Numerator:

\dfrac{4x^3-12x^2}{4x^2+7x-2}\\ \\=\dfrac{4x^2(x-3)}{4x^2+8x-x-2}\\ \\=\dfrac{4x^2(x-3)}{4x(x+2)-(x+2)}\\ \\=\dfrac{4x^2(x-3)}{(x+2)(4x-1)}

Denominator:

\dfrac{2x^2-6x}{5x^2+11x+2}\\ \\=\dfrac{2x(x-3)}{5x^2+10x+x+2}\\ \\=\dfrac{2x(x-3)}{5x(x+2)+(x+2)}\\ \\=\dfrac{2x(x-3)}{(x+2)(5x+1)}

The whole expression:

\dfrac{\dfrac{4x^3-12x^2}{4x^2+7x-2}}{\dfrac{2x^2-6x}{5x^2+11x+2}}\\ \\ \\=\dfrac{\dfrac{4x^2(x-3)}{(x+2)(4x-1)}}{\dfrac{2x(x-3)}{(x+2)(5x+1)}}\\ \\ \\=\dfrac{4x^2(x-3)}{(x+2)(4x-1)}\cdot \dfrac{(x+2)(5x+1)}{2x(x-3)}\\ \\ \\=\dfrac{2x(5x+1)}{4x-1}

8 0
3 years ago
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