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irinina [24]
3 years ago
11

Number 9 and 10. Say which one you r doing plzzz

Mathematics
1 answer:
ELEN [110]3 years ago
4 0
Number 9 (sorry I can't see all of number 10)
The answer is 0.74 gigabytes.
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Which is the simplified form of the expression 3(7/5x+4) - 2(3/2 - 5/4x)?
Kruka [31]

Answer:

B. \frac{67}{10} x + 9

Step-by-step explanation:

Simplify the expression. Remember to go by the order of operations, or PEMDAS.

1) First, distribute the numbers outside of the set of parentheses to the terms inside the set of parentheses next to them. Then, simplify the fractions.

3(\frac{7}{5} x + 4) -2 (\frac{3}{2} -\frac{5}{4} x)

\frac{21}{5}x + 12  - \frac{6}{2} + \frac{10}{4} x

\frac{21}{5} x + 12 - 3 + \frac{10}{4} x

2) Finally, combine like terms. (This means to add or subtract constants and to add or subtract terms with the same variables.) You may need to convert terms to the same denominator in order to do so easier. Then, reduce the fraction.

\frac{21}{5} x + 9 + \frac{10}{4}x \\\frac{84}{20}x + \frac{50}{20}x + 9 \\\frac{134}{20}x + 9 \\\frac{67}{10}x + 9

Thus, the answer is \frac{67}{10} x + 9.

8 0
3 years ago
Verify that each of the following transformations preserves congruence and name the congruence transformation
AnnZ [28]

Pentagon A B C D E is reflected across the X-axis to form pentagon A B C D.


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3 years ago
PLEASE HELP, The diameter of a semicircle is 2 meters. What is the semicircle radius
sergiy2304 [10]

Answer:

Step-by-step explanation:

d= 2r

therefore the radius is 1

6 0
3 years ago
Which are vertical angles? Check all that apply. ∠EAB and ∠BAC ∠EAB and ∠CAD ∠CAD and ∠FAE ∠CAB and ∠DAE ∠DAC and ∠DAE
Anastaziya [24]

Answer:

<CAB and <DAE are vertical angles

<EAB and <CAD are vertical angles

Step-by-step explanation:

this is because they are formed by the prolongation of the sides of the other angles and are opposite to them on the other side of the vertex.

8 0
3 years ago
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1. How much force (N) is required to accelerate a 2.60 kg remote controlled toy car at a rate of 8 m/s2?
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Answer:

Step-by-step explanation:

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3 years ago
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