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3 years ago

Write the number that makes each number sentence true

Mathematics

2 answers:

andrey2020 [161]3 years ago

6 0

Answer: ummmmmmm

Step-by-step explanation: teeeeeheeee

idk

GIBE MEH A TANKS

Alika [10]3 years ago

6 0

Ummmmmmmmmm idont know

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What is the value of x?

adelina 88 [10]

This is an equilateral triangle, which is a triangle that has 3 congruent/equal sides and 3 congruent angles.

To find "x", you can set the sides equal to each other because they are suppose to be the same length (you can just do two sides because all of the sides are the same)

[Side AB = Side BC]

4x - 10 = 3x + 2 Subtract 3x on both sides

x - 10 = 2 Add 10 on both sides

x = 12

[proof]

Side AB:

4x - 10 Plug in 12 for x

4(12) - 10 = 48 - 10 = 38

Side BC:

3x + 2 Plug in 12 for x

3(12) + 2 = 36 + 2 = 38

Side AC:

5x - 22 Plug in 12 for x

5(12) - 22 = 60 - 22 = 38

This is also an equilateral triangle (the tick marks show that the sides are the same)

A triangle is 180°. So the three angles add up to 180°.

Since this is an equilateral triangle, all the angles should be the same.

Each angle is 60°

[60° + 60° + 60° = 180° or you could have divided 180 by 3 = 60]

Now that you know each angle is 60°, you can do:

(2x - 4)° = 60°

2x - 4 = 60 Add 4 on both sides

2x = 64 Divide 2 on both sides

x = 32

4 0

2 years ago

Which relation is a function

Alenkinab [10]

Answer:

Top left

Step-by-step explanation:

In order for it to be a function, it has to pass the vertical line test. So draw a line down the middle of the graphs. If it passes once, then it is a function, if it passes more than once it is not.

3 0

3 years ago

Look at the image please helppp

balu736 [363]

Answer:

Option A. one rectangle and two triangles

Option E. one triangle and one trapezoid

Step-by-step explanation:

step 1

we know that

The area of the polygon can be decomposed into one rectangle and two triangles

see the attached figure N 1

therefore

Te area of the composite figure is equal to the area of one rectangle plus the area of two triangles

$A=(8)(4)+2[\frac{1}{2}((8)(4)]=32+32=64\ yd^2$

step 2

we know that

The area of the polygon can be decomposed into one triangle and one trapezoid

see the attached figure N 2

therefore

Te area of the composite figure is equal to the area of one triangle plus the area of one trapezoid

$A=\frac{1}{2}(8)(4)+\frac{1}{2}((4+8)(8)=16+48=64\ yd^2$

7 0

3 years ago

$850 flat fee for 31 to 50 guests

AlladinOne [14]

Answer:

gdhcskjsopqdw0fi9sdahjqa

Step-by-step explanation:

you stupio person you told on me your deab

4 0

2 years ago

which graph represents the solution set of the system of inequalities? (is my selected answer correct, if not please help!!)

algol [13]

Answer:

the graph on the right-top

Step-by-step explanation:

Transferring an "x" to the right side in $x+y\ge-3$ , we get $y\ge -x-3$

The system of inequalities is

$\left \{ {{y$

We have y=2x+2 - ascending function with a=2, b=2

b=2 shows that ascending function intersects Y-axis is in y=2 - that situation is only on the right-top and left-down. So, we refuse left-top and right-down.

y=-x-3 - descending function with a=-1, b=-3

y<2x+2 is an area below the ascending function and we see that on the left-

$y\ge-x-3$ is an area above the descending function

On the left-down we have an area above both functions, so we refuse this picture

Right-top is correct

7 0

3 years ago