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vodka [1.7K]
2 years ago
15

Name The operation you do first. 4+ (3)(-8)+7

Mathematics
1 answer:
oee [108]2 years ago
3 0

Answer:

you would do the parentheses first, in PEMDAS, parentheses come first

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What ratio forms a proportion with 8/36 ? <br> a. 1/4 <br> b.6/27<br> c.7/30 <br> d.2/7
Vaselesa [24]
6/27 bc (6/27)=(8/36)= 216/216= they are the same or 2/9=6/27=8/36
7 0
3 years ago
Again, plz help I’m desperate
OlgaM077 [116]
Perpendicular = opposite sign and reciprocal slope
Make equation y= mx + b
3x + 4y = 24
4y = -3x + 24
y = -3/4x + 6
Now make slope perpendicular
Slope = 4/3
The answer would be B.
8 0
3 years ago
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The area of a square patio is 225 square feet. What is the perimeter of the patio
Elanso [62]
STEP 1:
find the length of the sides of the square

AREA FORMULA (for a square)
x= side

A=x^2

225=x^2
take square root of both sides

15 feet= x


STEP 2:
find perimeter

PERIMETER FORMULA (for a square)

x= side of square

P= 4x
use x value from step 1

P= 4(15 ft)
P= 60 feet


ANSWER: The perimeter is 60 feet.

Hope this helps! :)
5 0
3 years ago
Forty five percent of middle schools have a horse as a mascot. If there are 420 middle schools how many have a horse as a mascot
allochka39001 [22]
189
Because you have to turn it into a percentage in order to know how many per 1 percent. So multiply 420 by 100 and get 4.2 then you multiply it by 45 and you get 189 so 179 schools have a horse mascot
3 0
3 years ago
Solve the following:<br><br> four and seven twelfths plus six and nine twelfths
irinina [24]

Ans:

11 and four twelfths

Step-by-step explanation:

4 0
3 years ago
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