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PSYCHO15rus [73]
3 years ago
11

3/4(12a+8)=31.2 someone please help me solve this:)

Mathematics
2 answers:
evablogger [386]3 years ago
6 0

Answer:

2.8

Step-by-step explanation:

31.2×4/3

12a+8 = 41.6

12a=33.6

a= 2.8

N76 [4]3 years ago
3 0

Answer:

answer is 2.8

Step-by-step explanation:

3/4=0.75

0.75x12=9

0.75x8=6

9a+6=31.2

subtract 6 from both sides

9a=25.2

divide both sides by 9

a=2.8

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poizon [28]

Answer:

Choice B) 42 minutes

Step-by-step explanation:

3.5 hours / 5 loads = 0.7 hours per one load

0.7 x 60 = 42

6 0
3 years ago
2/3 of a class are girls what is ratio girls to boys in the class
egoroff_w [7]

Answer:

2:1

Step-by-step explanation:

2:3=1:3

as product of extremes = product of means

(2)(3):(1)(3)

6:3

2:1

6 0
3 years ago
Help meeeeeeeeeeeeeeeeeeeeeee<br><br><br><br><br> thank you
andreev551 [17]

A polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables. imports of coffee into a country during this years 1997 is 1.344

<h3>What is a polynomial?</h3>

a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables.

P(x)=0.7166x²+6.267x+1.344

when x = 0, it represents 1997

Substitute the value of x as zero in polynomial.

P(0)=0.7166(0)²+6.267(0)+1.344

P(0)=0+0+1.344

P(0)=1.344

The amount of coffee imported in the year 1997 was approximately 1.344 pounds.

Hence amount of coffee imported in the year 1997 was approximately 1.344 pounds.

To learn more on Polynomials click:

brainly.com/question/11536910

#SPJ1

6 0
1 year ago
Im so confused pls help !!!!!
Andrei [34K]
600 words
90 words divided 15% is 6 words for 1% so 6 times 100 is 600
hope this helps!
3 0
3 years ago
Complete the pattern and find the rule 87,91,95,99,___,___, ___
IrinaVladis [17]
The rule is +4 
how did you find it you can 87-91=4
so that is your rule +4
8 0
4 years ago
Read 2 more answers
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