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DIA [1.3K]
3 years ago
9

Im here again. THANK YOU SM (Crxxom) for helping me. you'll make me pass 7th grade!

Mathematics
2 answers:
IRISSAK [1]3 years ago
8 0

Answer:

D

Step-by-step explanation:

10/2 + 5.2/2 = 7.6

tekilochka [14]3 years ago
5 0

Answer:

7.6cm

Step-by-step explanation:

Let's see - the midpoint of AB lies 10cm/2 from B and the midpoint of BC lies 5.2cm/2 from B in the other direction.

We can conclude that the midpoints are distant by

10cm/2 + 5.2cm/2 = 5cm + 2.6cm = 7.6cm

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A car travels 3 times around a traffic circle whose radius is 80 feet. What is the distance the car will travel? Use 3.14 for π
Harman [31]

Answer : Distance will be 1507.2 feet .

Explanation :

Since we have given that

Radius of circle = 80 feet

So,

Circumference of circle is given by

2\pi r=2\times 3.14\times 80=502.4 \text{ feet}

Since , a car travels 3 times around a traffic circle.

So,

\text{ Distance covered by the car will travel}= 3\times 502.4= 1507.2 \text{ feet }

So, Distance will be 1507.2 feet .

5 0
3 years ago
In one semester, doug and Laura spent a combined 250 hours in the tutoring lab. If doug spent 40 more hours in the lab then Laur
aksik [14]

Answer:

Step-by-step explanation:

What we have is a general equation that says this in words:

Laura's hours + Doug's hours = 250 total hours

Since we don't know either person's number of hours, AND since we can only have 1 unknown in a single equation, we need to write Laura's hours in terms of Doug's, or Doug's hours in terms of Laura's.  We are told that Doug spent Laura's hours plus another 40 in the lab, so let's call Laura's hours "x".  That makes Doug's hours "x + 40".  Now we can write our general equation in terms of x:

x + x + 40 = 250 and

2x = 210 so

x = 105

Since Laura is x, she worked 105 hours in the lab and Doug worked 40 hours beyond what Laura worked.  Doug worked 145.  As long as those 2 numbers add up to 250, we did the job correctly.  105 + 145 = 250? I believe it does!!

8 0
3 years ago
(x1/2y)^4 help me please I need an A
vodka [1.7K]

Answer:

this is simplify 1/16 x4 y4

4 0
3 years ago
Use the square root property of equality to solve (x  – 3)2 = –4. The solutions are a. -1 or 7 b. 1 or 5 c. 3+- 2i d. 3+-4i
makkiz [27]
The answer is C. 3+-2i

(x-3)(x-3)^{2} = -4

 \sqrt{(x-3)^2} = +- \sqrt{-4

x - 3 = i \sqrt{4} 

x - 3 = +-2i

x = 3 +-2i
6 0
3 years ago
Read 2 more answers
A book contains 256 pages. A school has 48 copies of this book. How many total pages are there in the books?
svp [43]

Answer:

The answer is 12,288

Step-by-step explanation:

Hope this right.But if it's not im so sorry.

<em>H</em><em>a</em><em>v</em><em>e</em><em> </em><em>a</em><em> </em><em>n</em><em>i</em><em>c</em><em>e</em><em> </em><em>d</em><em>a</em><em>y</em><em> </em><em>:</em><em>v</em>

8 0
3 years ago
Read 2 more answers
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