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nydimaria [60]
3 years ago
11

What is -7b + 5b + 3b =

Mathematics
1 answer:
inysia [295]3 years ago
8 0

Question

what is -7b + 5b + 3b =

Answer:

<h2>b</h2>

Step-by-step explanation:


-7b + 5b + 3b =

-2b + 3b =

b



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18 questions answered correctly on a test. that is 75% of the total number of questions. How many questions were on the test?
adelina 88 [10]

Answer:

24 = questions on test

Step-by-step explanation:

Questions answered correctly = questions on test * percent answered correctly


We know that she answered 18 correctly and that 75% were answered correctly

Substitute this information into the equation

18 = questions on test *.75

Divide by .75 on each side

18/.75 = questions on test *.75/.75

24 = questions on test

7 0
3 years ago
Pls answer I need help
Lilit [14]
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What is the minum of two colors needed?​
Alexus [3.1K]
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2 years ago
2 consecutive even numbers add to equal 178. What is the smallest of the 2 numbers?
Diano4ka-milaya [45]

Answer:

The smallest number is 88

Step-by-step explanation:

Let

x ----> the first consecutive even number

x+2 --->the second consecutive even number

we know that

The linear equation that represent this problem is given by

x+(x+2)=178

solve for x

2x=178-2\\2x=176\\x=88

so

x=88\\x+2=88+2=90

therefore

The smallest number is 88

4 0
3 years ago
Please helpp quick! i have no idea what the answer is
aleksley [76]

Answer:

C

Step-by-step explanation:

point-slope equation is y-y1=m(x-x1)

y1=2

x1=6

m=(-5/7)

so the equation is y-2=-5/7(x-6)

hope this helps :3

5 0
3 years ago
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