-14<7x<21 solve the inequality and graph the solution

Answers

Answer 1

Answer: To solve, divide by 7.
-2 < x < 3

The graph is a number line with open circles at -2 and 3 and a solid line between them.

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MAFS.5.NF.2.5b4. Valeria is going to the grocery store to buy turkey
and ham to use for sandwiches this week. She buys
4
2
as much ham as turkey. Which of
7
3
the following statements is true?
1 turkey and 12 /
A. She is buying more turkey than ham.
B. She is buying the same amount of turkey and ham.
C. She is buying twice as much turkey as ham.
D. She is buying less turkey than ham.
Cuál es la repuesta? Hola

Answers

Answer:

Step-by-step explanation:

See attachment.

Can some tell me how to do these

Answers

Never forget propertie of indices

A point is on a circle of the distance form the center from the center of the circle to the the point is equal to the

Answers

Answer:

The Radius?

.......... ....

Answer:

C. Radius

Step-by-step explanation:

Have a good day!

How can you solve linear equations by combining like terms?

Answers

Answer: In algebra, like terms are terms that have the same variables and powers. The coefficients do not need to match. Unlike terms are two or more terms that are not like terms, i.e. they do not have the same variables or powers. The order of the variables does not matter unless there is a power. For example, 8xyz² and −5xyz² are like terms because they have the same variables and power while 3abc and 3ghi are unlike terms because they have different variables. Since the coefficient doesn't affect likeness, all constant terms are like terms.

I HOPE THIS HELPED ! :) mark me brainlist pls

Answer:

by combining them like the ordinary like ordinary integers.

Step-by-step explanation:

For example we have

8x + 4y = 3x - 6

you will bring 3x to the left so it will become -3x

8x - 3x + 4y = -6

then combine like terms

there you have

5x + 4y = -6

The given:

8x + 4y = 3x - 6

8x - 3x + 4y = -6

5x + 4y = -6

answer for the example: 5x + 4y = -6

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 70% salt and Solution B is 95% salt. She wants to obtain 150 ounces of a mixture that is 75% salt. How many ounces of each solution should she use?

Answers

Answer:

Solution A: 120 ounces

Solution B: 30 ounces

Step-by-step explanation:

Let's call A the amount of Solution A. Solution A is 70% salt

Let's call B the amount of Solution B. Solution A is 95% salt

The resulting mixture should have 75% salt and 150 ounces .

Then we know that the total amount of mixture will be:

$A + B = 150$

Then the total amount of salt in the mixture will be:

$0.7A + 0.95B = 0.75 * 150$

$0.7A + 0.95B = 112.5$

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -0.95 and add it to the second equation:

$-0.95A -0.95B = 150 * (-0.95)$

$-0.95A -0.95B =-142.5$

$0.7A + 0.95B = 112.5$

--------------------------------------

$-0.25A = -30$

$A = (-30)/(-0.25)$

$A = 120\ ounces$

We substitute the value of A into one of the two equations and solve for B.

$120 + B = 150$

$B = 30\ ounces$

This exercise involves the formula for the area of a circular sector. the area of a sector of a circle with a central angle of 170° is 70 m2. find the radius of the circle. (round your answer to one decimal place.) m

Answers

The formula of interest is
A = (1/2)r²·θ
You have A = 70 m², θ = 170° = 17π/18 rad. Then the radius is found from
70 m² = (1/2)r²(17π/18)
(36·70 m²)/(17π) = r²
r ≈ √47.18476 m
r ≈ 6.9 m

The radius of the circle is 6.9 m.