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Dmitry_Shevchenko [17]
4 years ago
12

Solve this inequality.

Mathematics
1 answer:
Artemon [7]4 years ago
6 0
Hello,

Hard to devine the non marked sign!

Let' s go without than.


-5x+7 ? 42
==>-5x? 42-7
==>-5x ? 35
==>x not ? 35/(-5)
==>x not ? -7

Answer D and the missing signe is

not ? is <
==> ? is >

Very hard to make math !!!
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WHAT IS THE VOLUME HELPPP!!!!!
algol [13]

\qquad\qquad\huge\underline{{\sf Answer}}

Let's find the volume of the given figure ~

\qquad \sf  \dashrightarrow \:Volume_{(cuboid)}= length \cdot width \cdot height

\qquad \sf  \dashrightarrow \:Volume_{(cuboid)}= 4 \cdot x \cdot x

\qquad \sf  \dashrightarrow \:Volume_{(cuboid)}= 4 {x}^{2}

So, the correct choice is ~ C

6 0
3 years ago
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Write an equation of the line shown in the graph in slope intercept form (y = mx + b). Show
Lena [83]

Answer:

y = 2x - 2

Step-by-step explanation:

Points on graph: (4,6) and (2, 2)

<u>Slope:</u>

m=(y2-y1)/(x2-x1)

m=(2-6)/(2-4)

m=(-4)/(-2)

m = 2

<u />

<u>Slope-intercept:</u>

y - y1 = m(x - x1)

y - 6 = 2(x - 4)

y - 6 = 2x - 8

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8 0
3 years ago
Find the values of x and y.
lubasha [3.4K]

Answer:

x = 20 degrees and y = 70 degrees

Step-by-step explanation:

The first thing you do is work out the angle next to 180 degrees

180 - 40 = 140

Bottom angles in an isosceles triangle are equal.

180 - 140 = 40

40/2 = 20

so x = 20 degrees

The next thing is right angle - 20 = 70 degrees

Angles in a triangle add up to 180 degrees

70 + 40 = 110

180 - 110 = 70

so y = 70 degrees

8 0
2 years ago
A square field has an area of 81 square yards. How long is each side of the field? Show your work. Ⓐ 3 yd Ⓒ 18 yd Ⓑ 9 yd Ⓓ 36 yd
MAXImum [283]

Answer:

Each side of the field is <u>9 yards</u> long.

The correct answer is Ⓑ 9 yd.

Step-by-step explanation:

Given:

A square field has an area of 81 square yards.

Now, to get the length of each side of the field.

As, the square field is having an area of 81 square yards.

Now, to get the side of the square field we put formula:

Area=(side)^2\\\\81=(side)^2\\\\Using\ square\ root\ on\ both\ sides:\\\\9=side\\\\Side=9\ yards.

Therefore, each side of the field is 9 yards long.

The correct answer is Ⓑ 9 yd.

8 0
3 years ago
The ratio of cups of sugar to gallons of lemonade is 3 cups to 1 gallon. How many cups of sugar are needed to make
faust18 [17]

Answer:

15 cups of sugar

Step-by-step explanation:

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