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dimulka [17.4K]
3 years ago
10

Help me asap please!!!

Mathematics
1 answer:
Artemon [7]3 years ago
5 0
Well, just by looking at the beginning of the problem, Jamelia had made the common mistake of thinking that 
\sqrt{72} (<span>8.4852...)
</span>is equal to 
2* \sqrt{36} (12)

If you want to estimate a square root like 72, simply find squares that would fit around the number you are looking to find, in our case, 72.

So 9*9 is 81, which is too high and 8*8 is 64, which is too low. So you know that somewhere between those numbers is what your root of 72 is!
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Please answer I am begging !!!
dlinn [17]

Answer:

z=8,154

Step-by-step explanation:

To find the answer for this is you take 21,137 and subtract 12,983 from it.

21,137-12,983=8,154

12,983 + z = 21,137

12,983 + 8,154 = 21,137

3 0
3 years ago
How do i solve this? Please give me step by step explanation.
Viktor [21]

Answer:1.5

Step-by-step explanation:

12.6j + 8 = 10.2j +4.4

2.4j=3.6

j=3.6/2.4= 1.5

3 0
2 years ago
Read 2 more answers
Determine the number of solutions the system has. 2x = 2y -6 y = -x-1
guapka [62]

Answer:

(-2,-3) / one solution

Step-by-step explanation:

If you find my answer helpful, please consider marking it Brainliest

And if you still have any questions about the way I solved it, don't hesitate to ask me in the comments

5 0
3 years ago
Find the measure of angle x. Round your answer to the nearest hundredth. (please type the numerical answer only)
KiRa [710]
Answer for angle x = 28.07

Given b=8 and c=17,
Unknown leg = 15
∠O = 61.93
∠P= 28.07
5 0
1 year ago
The ratio of boys to girls in Jamal's class is 3:2. If four more girls join the class, there will be the same number of boys and
olchik [2.2K]

Answer:

12 boys

Step-by-step explanation:

From the above question:

Number of boys = 3

Number of girls = 2

Boys: Girls

3:2

Let :

a = boys

b = girls

Hence, a : b = 3 : 2

a/b = 3/2  

Cross Multiply

2a = 3b .......... Equation 1

a = 3b/2

If four more girls join the class, there will be the same number of boys and girls

Hence,

a: b + 4 = 3 : 3

a/b + 4 = 3/3

Cross Multiply

3a = 3(b + 4)

3a = 3b + 12 ........ Equation (2)

From Equation 1: a = 3b/2

Substitute 3b/2 for a in Equation 2 we have:

3a = 3b + 12 .........Equation 2

3(3b/2) = 3b + 12

9b/2 = 3b + 12

Cross Multiply

9b = 2(3b + 12)

9b= 6b + 24

9b - 6b = 24

3b = 24

b = 8

Substitute 8 for b in Equation 1

a = 3b/2

a = 3 × 8/2

a = 24/2

a = 12

Therefore, the number of boys in the class is 12

7 0
3 years ago
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