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romanna [79]
4 years ago
12

Simplify 2 a + 4 - 7 a + a

Mathematics
1 answer:
AlexFokin [52]4 years ago
8 0
2a + 4 - 7a + a

2a -7a +a +4

-5a + a +4

-4a + 4

-4a + 4 is your answer

hope this helps
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A pitcher struck out 11 out of 40 batters. Write an equivalent decimal.
Komok [63]

Answer:

0.275

Step-by-step explanation:

We want to write 11 out of 40 batters as a decimal.

We can write 11 out of 40 as a fraction to get:

\frac{11}{40}

Note that:

\frac{11}{40}  =  \frac{1}{4}  \times  \frac{11}{10}

This implies that:

\frac{11}{40}  = 0.25  \times 1.1

This gives us

\frac{11}{40 }  = 0.275

5 0
3 years ago
A circle's radius is 14 centimeters.
spayn [35]

Answer:

Circumference of circle = 87.92 centimeter

Step-by-step explanation:

In the given question;

Radius of circle = 14 centimeters

Value of π = 3.14

Find:

Circumference of circle

Computation:

⇒ Circumference of circle = 2πr

where r = Radius of circle

⇒ Circumference of circle = 2(3.14)(14)

⇒ Circumference of circle = (6.28)(14)

Circumference of circle = 87.92 centimeter

4 0
3 years ago
How do you change 7/10 to a percent​
Dimas [21]

Answer:70%

Step-by-step explanation: Convert the fraction to a decimal, then multiple by 100.

4 0
3 years ago
Read 2 more answers
Hot air balloon travels 18 miles in 3 hour. At this rate how many miles will the hot air balloon travel in 3/4 hour?
seropon [69]
You can figure out how many miles per hour it travels by dividing 18/3. This gives us the answer of 6. 3/4 = 0.75 so we can multiply 6 * 0.75 to get 4.5 as our final answer. It will travel 4.5 miles in 3/4 of an hour.
5 0
3 years ago
Can someone help me plz??
Brrunno [24]

Answer: 23

Step-by-step explanation:

2x + 14 = 60

2x = 46

x = 23

6 0
3 years ago
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