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2 years ago

Which graph shows the solution to the system of linear inequalities?

Mathematics

2 answers:

Thepotemich [5.8K]2 years ago

5 0

Answer:

It’s D or 4

Step-by-step explanation:

Edge2020

Aleksandr [31]2 years ago

3 0

Answer:

its d

Step-by-step explanation:

edge

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-2|7 - 9c| + 7 = -15<br><br>Solve for C

IgorLugansk [536]

Solve for c by simplifying both sides of the equation, then isolating the variable.

Exact form: c = -4/9, 2

Decimal form: c = -.4, 2

5 0

2 years ago

A circular quilt is made from 113.04 square feet of fabric. How much trim is needed to go around it’s edge?

erik [133]

Hey there!

We are looking for the circumference of the circle, which is the distance around it. We are given the area, which is the radius squared times pi.

First, we need to undo the area to find our radius.

113.04/3.14=36

We square root this to find the radius.

√36=6

Our radius is six. To find the circumference, we need to multiply the diameter by pi. The diameter is twice the radius.

6*2=12

12*3.14=37.68

Therefore, we will need 37.68 feet of trim to around the edge of the quilt.

I hope this helps!

6 0

3 years ago

Find the length of the leg(s) of a right triangle, to the nearest hundredth, if both legs are equal and the hypotenuse is 10.

charle [14.2K]

Answer:

7.07 units

Step-by-step explanation:

Use the Pythagorean theorem for the right triangle:

$\text{hypotenuse}^2=\text{leg}_1^2+\text{leg}_2^2,\\ \\c^2=a^2+b^2.$

If a = x, b = x, and c = 10, then

$10^2=x^2+x^2,\\ \\100=2x^2,\\ \\x^2=50,\\ \\x=\sqrt{50}=5\sqrt{2}\approx 7.07\ units.$

7 0

3 years ago

A bag contains purple marbles and red marbles, 34 in total. The number of purple marbles is 2 more than 3 times the number of re

Irina-Kira [14]

Answer:

There are 26 purple marbles in the bag.

Step-by-step explanation:

Firstly, you have to make an expression in terms of x where x represent red marbles. Given that the question says purple marbles is 2 more than 3 times the number of red marbles. So the expression is :

Let red marbles = x,

$purple = 2 + 3x$

$red = x$

Next, given that the total marbles in the bag is 34 so you have to add both marbles together and solve the value of x :

$2 + 3x + x = 34$

$4x = 32$

$x = 32 \div 4$

$x = 8$

Lastly, you have to substitute the value of x into the expression of purple marbles :

Let x = 8,

$purpe = 2 + 3(8)$

$purple = 26$

7 0

2 years ago

MakcuM [25]

Answer: Mary

Step-by-step explanation: 2:3 x 2 = 4:6

4 0

3 years ago