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lesya [120]
3 years ago
7

How do you solve this?

Mathematics
1 answer:
RSB [31]3 years ago
6 0
So with a triangle like this one, the other two angles are the same measure so just do 180 - 40 = 140 and then 140/2 = 70 so all you have to do is 2x = 70 and x = 35.
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A number y is rounded to 2 decimal places
Yakvenalex [24]
Y can be rounded up to 1.51 from a minimum value of 1.505
This is the lower bound.

y can be rounded down to 1.51 from a maximum value of 1.515
this is the upper bound.

y is between the lower bound and the upper bound so y is between 1.505 and 1.515

This is shown as 1.595<=y<1.515

<= is the typed out version of (greater than/equal to) which is < with a line under it.
3 0
2 years ago
8. Solve the system of equations using substitution.
Elodia [21]

Answer:

D

Step-by-step explanation:

In order to solve this we need to plug in the answer choices and make sure they work for BOTH answers!

Let us start with option A. (6,3)  3 = 4(6) + 6     = 3 = 30 This is automaticly wrong because 3 doesnt equal 30. There is no need to try it on the second equation since the first one was wrong.

Next answer choice, B  (3,6)  6 = 2(3) =   6=6. The second equation works perfect for this. Now we have to make sure that it works for the first one as well. 6 = 4(3) + 6   = 6 = 18 which is wrong.

Next, C.  (1,2)   2 = 2(1) = 2=2 Right now lets check the other equation.

2 = 4(1) + 6 = 2=10. Wrong

Last, D. (-3, -6)    -6 = 2(-3)  = -6 = -6 Right now lets check the other equation.

-6 = 4(-3) + 6 = -6 = -6. CORRECT. Answer choice D works for both equations.

Sorry for the wait of response.

8 0
3 years ago
80 members decreased by 65%
LekaFEV [45]
Do a proportion
65/100= x/80

Cross multiply and divide
80 x 65= 5, 200
5, 200 divided by 100 is 52
52 members left
80-52= 28
Answer is 28 members
5 0
3 years ago
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GrogVix [38]

Answer:

This is quadratic trinomial

Step-by-step explanation:

It has x^2 (square) and consists of 3 parts

7 0
3 years ago
Jack went to disney world and bought 4 balloons for $8.How much will 72 balloons cost?
Dennis_Churaev [7]

Answer:

144

Step-by-step explanation:

8 0
3 years ago
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