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TiliK225 [7]
2 years ago
8

1) Eight times the difference between a number and seven, is the same as when five times

Mathematics
1 answer:
Maurinko [17]2 years ago
5 0

Tip: Go step-by-step

Let the number = x

Eight times the difference between a number and seven.. = 8(x-7)

is the same as... =

the number increased by 4.. x+4

8(x-7)=x+4

Distribute

8x-56=x+4

Subtract x from both sides

7x-56=4

Add 56 to both sides

7x=60

x=60/7

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HELP PLEASE asap I behind
Evgen [1.6K]
126 + 9x = 180
180 - 126 = 54
9x = 54
x = 6

mark me brainliest if the answer is correct , thank you in advance :)
4 0
3 years ago
At your school, the building is 20 feet tall, a tree's height is 252 inches, and the flagpole is 6 yards high. Which of the thre
timurjin [86]
First, all the heights have to be converted to similar units, say feet.

Therefore,
Building= 20 feet
Tree = 252*0.083333 = 21 feet
Flagpole = 6*3 = 18 feet

The tallest of the three is the tree and thus should cast the longest shadow. However, it should be noted that at exactly noon when the sun is overhead, all the three will have equal length of shadow (that is, 0 feet long).
3 0
3 years ago
There are 2 pounds of jellybeans in the jar if you divided jellybeans jellybeans evenly into bags employees to 1 pound into each
Semenov [28]

Answer:

The number of bags used is 2 bags

Step-by-step explanation:

The mass of the jellybeans in the jar = 2 lbs

The mass divided evenly into bags = 1 pound each

Therefore the operation applied to the jar of jellybean is a division by 1 lb/bag, therefore, we have;

The number of bags used = 2 lbs/(1 lb/bag) = 2 bags

3 0
3 years ago
Given g(x)=5x+4, solve for x when g(x)=9
Alex

Answer:

The value of <em>x</em> is equal to 1, written as <em>x</em> = 1.

General Formulas and Concepts:
<u>Algebra I</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Terms/Coefficients

Functions

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

g(x) = 5x + 4

g(x) = 9

<u>Step 2: Solve for </u><u><em>x</em></u>

  1. Substitute in function value:                                                                           9 = 5x + 4
  2. [Subtraction Property of Equality] Subtract 4 on both sides:                       5 = 5x
  3. [Division Property of Equality] Divide 5 on both sides:                                1 = x
  4. Rewrite:                                                                                                            x = 1

∴ when the function g(x) equals 9, the value of <em>x</em> that makes the function true would be <em>x</em> = 1.

---

Topic: Algebra I

8 0
2 years ago
-1×f(-9)+7×g(6)<br><br><br>respond before 12 am
n200080 [17]
3•(3f+14g) let me know
3 0
3 years ago
Read 2 more answers
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