Simplify the following expressions using the distributive property
-3(z-7)

Answers

Answer 1
-3z + 21
Multiply -3 with z
Multiple -3 with -7
Answer 2

Answer:

I think that the answer is d=-7

Step-by-step explanation:

-3(z-7)

-3z+21

z=-7


Related Questions

find the length of arc AB. use 3.14 for π. round to the nearest tenth

Answers

Answer:

12.4cm

Step-by-step explanation:

the perimeter of a rectangular pool is 5656 meter. if the length of the pool is 1616 meter then find its width

pls explain full​

Answers

Answer:

Length= 1616 m

Perimeter= 5656 m

= 2X L+ B

Breadth= Perimeter- Length /2

= 5656m - 1616 m

= 4040 /2

= 2020 m

Please mark as Brainliest

What is the prime factorization of 200?

Answers

Answer:

2 and 5.

Step-by-step explanation:

As we use prime factorization for 200, we get 2 × 2 × 2 × 5 × 5 = 200. So, the only prime factors of 200 are 2 and 5.

Answer:

5*5*2*2*2

Step-by-step explanation:

200 divided by 2 is 100. 100 divided by 2 is 50. 50 divided by 2 is 25. 25 divided by 5 is 5

solve by factoring mystery picture student work. can someone solve this our find the answer key

Answers

Answer:

Here are the ones I've figured out

Step-by-step explanation:

I have yet to do the full-on picture. And for the picture thing, I don't know where to start. But I hope this helps you out in the meantime.

six times a number is 21 less than nine times the same number​

Answers

Answer:

7

Step-by-step explanation:

6*7=42

9*7=63

63-42

Answer:

number is 7

Step-by-step explanation:

let the number be n , then

6n = 9n - 21 ( add 21 to both sides )

21 + 6n = 9n ( subtract 6n from both sides )

21 = 3n ( divide both sides by 3 )

7 = n

That is the number is 7

Solve for t.

t
3
= 4

Answers

Answer:

r = 12

Step-by-step explanation:

Step 1: Multiply both sides by 3.

(t/3) × 3 = 4 × 3t = 12

Step 2: Check if solution is correct.

12/3 = 44 = 4

Have a lovely rest of your day/night, and good luck with your assignments. ♡

Answer:

t = 12

Step-by-step explanation:

Multiply all terms by the same value to eliminate fraction denominators

[tex]3*\frac{t}{3}=3*4[/tex]

[tex]t=3*4[/tex]

Multiply the numbers

t = 12

[RevyBreeze]

math question: 1 1/2x=6

Answers

Answer:

10

Step-by-step explanation:

um I pretty sure that's the answer but i could be wrong

X=11/12 not sure if this is right tho

can you help me please.

Answers

Answer:

Step-by-step explanation:

i got this exact same question on a 9th grade math test. the answer is A

Marsha notices that all of her siblings are more than 5 foot 2 inches tall but at most 6 foot 1 inch tall. Write an inequality or pair of inequalities to represent all possible values, in inches, for Marsha’s siblings heights. Graph this set of values on the number line.

Answers

Answer:

first make everything inches so you have at least 62 inches and at most 73 inches, now create it.

Step-by-step explanation:

62<x<=73

Answer: 62 < x [tex]\leq[/tex] 73

Step-by-step explanation:

5 feet and 2 inches all in inches would be 62 (12 inches per foot, multiplied by five equals 60, add 2). 6 feet and 1 inch would be 73 inches (12 inches per foot, multiplied by six equals 72, add 1).

Since this inequality has words such as "more than" we have to use # < x. But since at most also applies, we have to use x [tex]\leq[/tex] #.

All her siblings are over 62 inches, so 62 < x. Remember the at most 73 inches, which would be 73 [tex]\geq[/tex] x. We can conclude that the inequalities would be expressed as 62 < x [tex]\leq[/tex] 73.

what is 143x 69 PLS ANSWER ASAP

Answers

Answer:

Step-by-step explanation:

143x 69

Divide 143 to both sides

143x = 69

---------------     =  2.07

143      143

Ryan has $967.32 in his bank account. He writes checks for his bills: $13.78, $112.63, $29.74, and $329.52. How much money does Ryan have after paying his bills?

Answers

Answer:

481.65

Step-by-step explanation:

You like add all the expenses together to like give you a total amount. Once you have the total expense you like minus it from the money at hand

Find the value of x.

(please show how you solved the problem if you're able to! :D)

Answers

Answer:

x= 45

Step-by-step explanation:

90+45=135

180(sum of angles in triangle) - 135=45

someone pls help asap i’m very desperate! thanks!!

Answers

Answer:

I need help too so can you help me first  asap. all I  need is a one fact about The Immortal life of Henrietta lacks and an summary about swimming Olympic.

What is the rate of change for the line represented by the equation?
x=-4

Answers

Answer:

Undefined

Step-by-step explanation:

Given that the equation [tex]x=-4[/tex] is a vertical line that intersects the x-axis at [tex]x=-4[/tex], there is only a change in [tex]y[/tex], but no change in [tex]x[/tex]. Thus, the rate of change is undefined since you cannot divide by 0.

The distance around a circular pen 20π ft. What is the exact area of the pen? Leave your answer in terms of π in order to get an exact answer.

Answers

Answer:

r=10cm (assuming the units to be in cm ). The area of a circle is given by formula: πr2. Where, π has a constant value of ≈3.14

I need help again………….

Answers

Sorry but I’m not sure what the answer is
TV= 48
(WORK SHOWN BELOW)

Luzia ran the 400‑meter race 3 times. Her fastest time was 52.3 seconds. Her slowest time was 56.3 seconds. If Luzia’s average time was 54.0 seconds, what was her time for the third race?

Answers

Answer:

53.5 sec

Step-by-step explanation:

avg = 54

(56.3+52.3+x)/3 = 54

56.3+52.3+x = 54*3=162

108.5+x = 162

x = 162-108.5=. 53.5

Answer:

53.5 sec

Step-by-step explanation:

Hope its right

-6u > -42 u is greater than what?

Answers

simplify

-6u>-42

switch signs when dividing negative numbers

u<7

so, u is actually smaller than 7

Rhonda has a square with a perimeter of less than 50cm. what length could the sides be?

Answers

I think it would be 12.50 because you are dividing 50 by 4 and that is you answer 12.50

Conditional statements that are always true are called:.

Answers

Answer:

A conditional statement is considered true when the antecedent and consequent are both true or if the antecedent is false. When the antecedent is false, then the truth value of the consequent does not matter; the conditional will always be true.

hope this helped!!

Elizabeth coal ltd has total assets of $8,000,000, common stock of $4,200,000, and liabilities of $1,200,000. What is the amount for retained earnings?.

Answers

Based on the information given the amount of the retained earning is $2,600,000.

Retained earning

Using this formula

Retained earning=Total assets - Common stock - Liabilities

Where:

Total assets=$8,000,000

Common stock=$4,200,000

Liabilities=$1,200,000

Let plug in the formula

Retained earning=$8,000,000-$4,200,000-$1,200,000

Retained earning=$2,600,000

Inconclusion  the amount of the retained earning is $2,600,000.

Learn more about retained earning here:https://brainly.com/question/25631040

What is the correct expanded form and value of 5
o (13)
4
1 1 1
O 5+5+5+5
+
1 1 1 1 1
5'5'5'5625
...
1+1+1+1
5.4
4
20
1
5
4
5

Answers

Answer:

The answer is the second option

Solve x/2 - 2 = 5x =...

Answers

Answer:

4/9

Step-by-step explanation:

How much would it cost for Mr. John to replace the tile in his kitchen if the cost for the tile is $1.50 per square foot? (Think about what shape the kitchen is to find the area of it)

Answers

Answer:

214.50

Step-by-step explanation:

A = lw

13 x 11 = 143 (13 is a guess)

143 x 1.50 = 214.50

im not 100 % but give it a try

hope this helps

pls mark brainliest

what are the roots of the polynomial equation

Answers

Answer:

-4 or -3

Step-by-step explanation:

Calculate the determinant:

D = b^2 - 4ac = 49 - 48 = 1

Apply the formula:

x = (-b +- sqrt(D))/2a = (-7 +- 1)/2 = -4 or -3

Complete the multiplication problem to find the answer.
25.1
x 2.4
1004
5020
O A. 602.4
O B. 6024
O C. 60.24
D. 62.04

Answers

Answer:

it is C.60.24. You are right

Please help me math and Thanks

Answers

Answers:

Point in the original figure: (-7, 3)

Point in the final figure: (-2, 3)

===============================================

Explanation:

To translate 5 units to the right, we add 5 to the x coordinate. The y coordinate stays the same.

The symbolic way to write the rule would be to say [tex](x,y) \to (x+5, y)[/tex]

The original point is at (-7, 3). We add 5 to the x coordinate -7 to get -7+5 = -2. The y coordinate is 3 the whole time for both points.

That's how we go from (-7,3) to (-2,3)

Answer:

give examples and word for word equation

(please answer if you know how to do this, it's due today !!) Solve for x, y and z. No links please

Answers

Answer:

x = 4

y = 2√5

z = 3√5

Step-by-step explanation:

There are 3 right triangles here, so we can create 3 expressions using Pythagoras' Theorem:

a² + b² = c²

(where a and b are the legs, and c is the hypotenuse)

smallest triangle:  x² + y² = (x + 2)²

medium triangle: (x + 1)² + y² = z²

largest triangle: (x + 2)² + z² = (x + x + 1)²

rewrite the smallest triangle expression to make y² the subject:

x² + y² = (x + 2)²

⇒ x² + y² = x² + 4x + 4

⇒  y² = 4x + 4

rewrite the medium triangle expression to make z² the subject, substituting y² = 4x + 4:

(x + 1)² + y² = z²

⇒ (x + 1)² + 4x + 4 = z²

⇒ x² + 2x + 1 + 4x + 4 = z²

⇒ z² = x² + 6x + 5

rewrite the largest triangle, substituting z² = x² + 6x + 5 and solve for x:

(x + 2)² + z² = (x + x + 1)²

⇒ (x + 2)² + x² + 6x + 5 = (2x + 1)²

⇒ x² + 4x + 4 + x² + 6x + 5 = 4x² + 4x + 1

⇒  2x² - 6x - 8 = 0

⇒  x² - 3x - 4 = 0

⇒ (x + 1)(x - 4) = 0

⇒ x = -1, x = 4

as x > 0, x = 4 only

Substitute found value for x into y² = 4x + 4 and solve for y:

y² = (4 x 4) + 4

⇒ y² = 20

⇒ y = √20 = 2√5

Substitute found value for x into z² = x² + 6x + 5 and solve for z:

z² = 4² + (6 x 4) + 5

⇒ z² = 45

⇒ z = √45 = 3√5

why is it important to represent fractions in division with models?​

Answers

Answer:

Fractions help children understand the nature of numbers and their interactions (e.g., the meaning of division). If a child doesn't understand how fractions work, it will interfere with his ability to learn algebra later.

Step-by-step explanation:

hope it helps you

Micah jogs on a path at the park at 5 miles per hour. He has jogged 2 miles when Luke starts running on the same path at 5 miles per hour. If they maintain their pace, when will Luke catch up to Micah?

Answers

Answer:

no because micah started before and they are running at the same pace.

Step-by-step explanation:

If they maintain their pace, Luke will not catch up to Micah because the gap of the 2 miles will be maintained.

What is the application of subtraction?

In mathematics, subtraction is defined as the difference between two quantities. The application of subtraction can be used broadly in different applications to find or solve the problems such as finding differences between two quantities and many more.

It is given that Micah jogs at a 5 mph pace along a park trail. Luke begins running on the same path at a speed of five miles per hour after he has jogged two miles.

After 2 kilometers of jogging by Micah, Luke begins running along the same route. Luke moves at a 5 mph speed.

Because Micah and Luke move at the same speed. There will be a 2-mile separation between them. Luke will not catch up to Micah

Thus, if they maintain their pace, Luke will not catch up to Micah because the gap of the 2 miles will be maintained.

Learn more about the application of subtraction here:

brainly.com/question/15345330

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