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Eduardwww [97]
3 years ago
13

21 divided by x = -7 Can you PLS SOLVE X

Mathematics
1 answer:
VikaD [51]3 years ago
8 0

Answer:

EASY. x=-3

Step-by-step explanation:

You need to divide 21 by -7. You'll get the same answer as me

Hope this helped!!

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Answer:2. It’s 24.58

How many boards did the volunteers supply round your calculations to the nearest hundred- 13.44

How many whole boards-14

Step-by-step explanation:

8 0
3 years ago
What is the percent decrease from 8.6 to 7.9
Whitepunk [10]

Answer:

= 8.13953% decrease

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If a circle has a diameter of 30 meters, which expression gives its area in
sattari [20]

Answer:

C. 15²π

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Geometry</u>

  • Diameter: d = 2r
  • Area of a Circle: A = πr²

Step-by-step explanation:

<u>Step 1: Define</u>

d = 30 m

<u>Step 2: Find Area</u>

  1. Substitute [D]:                    30 m = 2r
  2. Isolate <em>r</em>:                             15 m = r
  3. Rewrite:                              r = 15 m
  4. Substitute [AC]:                 A = π(15 m)²
  5. Rearrange:                        A = 15²π
3 0
3 years ago
There are 34 empty seats and 16 occupied seats. What is the ratio of empty to occupied seats? a) 34 to 16 b) 17 to 8 c) 8 to 17
Komok [63]

Answer:

A

Step-by-step explanation:

Ratio means comparison, so we have to compare the two given examples, in this state empty and occupied.

one of the most important things to look for during ratios is what comes first. In this statement it says empty to occupied, not occupied than empty/.

if we know that empty is 34 and occupid is 16 than we know our answer is A

Please mark me branliest.

Have a great day!

5 0
3 years ago
Need help pls math plsssssssssssssssssssdssssssssssszzssszzzzzzzxxxxxxcgvvhvib
Svetradugi [14.3K]

Step-by-step explanation:

area of a parallelogram is b×h

2.4×1=2.4cm²

I would appreciate if my answer is chosen as a brainliest answer

7 0
3 years ago
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