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Oksanka [162]
3 years ago
6

BRO PLS HELP MEEEE I WANNA GET STRAIGHT A’s

Mathematics
1 answer:
Pie3 years ago
4 0
1. 12
2. 1
3. 18
4. 9
5. 2
6. 20
7. 1
8. 6

^^ I am so sorry if any are wrong, I tried as best as I could
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Simplify ^3 sq try (-0.05)^24
Bogdan [553]

Answer:

As

  • \sqrt[3]{\left(-0.05\right)^{24}}=0.05^8

so option D is correct.                    

Step-by-step explanation:

Given the expression

\sqrt[3]{\left(-0.05\right)^{24}}

\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{a}=a^{\frac{1}{n}}

\sqrt[3]{\left(-0.05\right)^{24}}=\left(\left(-0.05\right)^{24}\right)^{\frac{1}{3}}

\mathrm{Apply\:exponent\:rule}:\quad \left(a^b\right)^c=a^{bc}

                  =\left(-0.05\right)^{24\cdot \frac{1}{3}}

                  =\left(-0.05\right)^8  

\mathrm{Apply\:exponent\:rule}:\quad \left(-a\right)^n=a^n,\:\mathrm{if\:}n\mathrm{\:is\:even}

                  =0.05^8

Hence, the simplification will be:

\sqrt[3]{\left(-0.05\right)^{24}}=0.05^8

Therefore, option D is correct.                                            

7 0
3 years ago
There are 20 children at a library. Six of the children have an average age of 5 years. The remaining children have an average a
Allushta [10]
Answer: The average age is 7.1 years.

This problem is an example of when we need to take a weighted average. We simply can't just find the average of 5 and 8, because there are different children of each each.

To start, lets multiply the total number of children by their individual ages.

6 x 5 = 30 years
14 x 8 = 112 years

There are 142 years among the 20 years, so divide 142 by 20. This gives us an average age of 7.1 years.
7 0
4 years ago
△ABC and △JKL have corresponding equal angles. Side length BC is twice the length of side KL. Which statement is true? A. △ABC a
lyudmila [28]

Answer:

A. △ABC and △JKL are similar.

Step-by-step explanation:

Since three angles of one triangle are congruent to three corresponding angles of the other triangle, the triangles are either congruent or similar. Since the side of one triangle is twice the length of the corresponding side of the other triangle, then the triangles are not congruent, but they are similar.

A. △ABC and △JKL are similar.

6 0
3 years ago
Please please please!
Alexandra [31]

Answer:

longer side = √507 cm, shorter side = 13 cm

Step-by-step explanation:

sin60 = opposite side/26cm

opposite side = √507 cm

cos60 = adjacent side/ 26cm

adjacent side = 13 cm

longer side = √507 cm, shorter side = 13 cm

6 0
3 years ago
What is 12x+4=8x-6? How do you do this?
Papessa [141]

Answer:

Step-by-step explanation:

12x+4=8x-6

Collecting like term

12x - 8x = -6 - 4

4x = -10

x = -10/4

x = -5/2

x = -2 1/2

5 0
3 years ago
Read 2 more answers
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