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Alex Ar [27]
3 years ago
12

A pizza has a diameter of 16 inches. What is the area of the pizza? Leave answer in terms of T.

Mathematics
1 answer:
maw [93]3 years ago
8 0

Answer:

the answer is going to be B because that is the diamiter

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Given the replacement set : -7 , -8 , -9 , -10 . which value of x correctly solves this equation 7.4x -2 = -61.2
Nonamiya [84]

Answer:

answer is -8

Step-by-step explanation:

the question is in which value of x this equation become -61.2

7.4x-2=-61.2 by addinng both side 2

7.4x=-61.2+2

7.4x=-59.2 ,to get the value of x divide both side by 7.4.

then x =-59.2÷7.4

x= -8

6 0
3 years ago
I know it’s late but is anybody here
evablogger [386]

Answer:

b is 0

Step-by-step explanation:

yes, i am here :)

4 0
3 years ago
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A chemist has three different acid solutions. The first acid solution contains 25 % acid, the second contains 45 % and the third
liq [111]

Answer:

Wyzant

ALGEBRA WORD PROBLEM

Dorian S. asked • 06/28/17

THREE LINEAR EQUATIONS WITH THREE VARIABLES

A chemist has three different acid solutions. The first acid solution contains 15% acid, the second contains 25%,

and the third contains 70%. He wants to use all three solutions to obtain a mixture of 40 liters containing 45%

acid, using 2 times as much of the 70% solution as the 25% solution. How many liters of each solution should be used?

How to set up as three linear equations to find the answer?

Follow2

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1 Expert Answer

By:

Best

Arthur D. answered • 06/28/17

TUTOR 4.9 (67)

Forty Year Educator: Classroom, Summer School, Substitute, Tutor

ABOUT THIS TUTOR ›

set up 2 equations

the first equation...

15%*x+25%*y+70%*2y=45%*40

0.15x+0.25y+1.4y=0.45*40

0.15x+1.65y=18

multiply all terms by 100

15x+165y=1800

divide all terms by 15

x+11y=120

the second equation...

x+y+2y=40

x+3y=40

x=40-3y

substitute into the first equation x+11y=120

40-3y+11y=120

40+8y=120

8y=120-40

8y=80

y=80/8

y=10 liters

x+3*10=40

x+30=40

x=40-30

x=10 liters

10 liters of 15%, 10 liters of 25%, and 20 liters of 70%

check:

10*15%=1.5

10*25%=2.5

20*70%=14

1.5+2.5+14=18

18/40=9/20=45/100=45%

45%*40=18

hope it helps

please mark brainliest

8 0
3 years ago
Solve the formula for C thx if u answer!!!
kati45 [8]

Answer: The answer is C = -P + R

3 0
1 year ago
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Which number is an irrational number? A)3.5 B) 36 C)48 D) 37/100
kondaur [170]
That would be 3.5 b/c it can’t be expressed as a ratio or a simple fraction
8 0
3 years ago
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