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alexgriva [62]
4 years ago
5

What is the value of mA + mB?

Mathematics
2 answers:
Aliun [14]4 years ago
6 0

Answer:

A= 56

B= 34

Step-by-step explanation:

lions [1.4K]4 years ago
6 0

∠B = 180° - 90° - ∠C

= 90° - 56°

= <u>3</u><u>4</u><u>°</u>

∠C = 180° - ∠D

= 180° - 124°

= <u>56°</u>

<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>

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Whats the soultion ?
Anika [276]
You multiply -9 and -6 to solve for e.

e/-9 = -6
e = -9*-6
e = 54

Hope this helps :)
7 0
3 years ago
Read 2 more answers
Y=6x4 + 7x2 and x = vw +1
belka [17]

Answer:

w=-1/6 or w=-3

Step-by-step explanation:

Substitute the value of x and y into the first equation and solve for w:

y=6x^4+7x^2\\10=6(\sqrt{w+1})^4+7(\sqrt{w+1})^2\\10=6(w+1)^2+7(w+1)\\10=6(w^2+2w+1)+7w+7\\10=6w^2+12w+6+7w+7\\0=6w^2+19w+3

Solve for w with the quadratic formula:

w=\frac{-b\±\sqrt{b^2-4ac}}{2a} \\w=\frac{-19\±\sqrt{19^2-4(6)(3)} }{2(6)}\\w=\frac{-19\±\sqrt{361-72}}{12} \\w=\frac{-19\±\sqrt{289} }{12} \\w=\frac{-19\±17}{12}

After simplifying, we get either w=-1/6 or w=-3.

Not sure if w needs to satisfy all conditions while maintaining everything as real numbers, because if w=-3, then x is an imaginary number. But both values work just as fine.

4 0
2 years ago
Raina's fish tank has 16 liters of water in it. She plans to add 4 liters per minute until the tank has more than 48 liters. Wha
mario62 [17]

Answer:

8 minutes

Step-by-step explanation:

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32/4=8

5 0
4 years ago
How many ways can the letters be arranged in the word: GLASS
kotegsom [21]

Answer:

120

Step-by-step explanation:

4 0
3 years ago
There are 18 people waiting for the train. Eight-ninths of them have an umbrella. How many people waiting for the train have an
Pie

Answer:

Step-by-step explanation:

Ok, so there are 18 people. If 8/9 have umbrellas, how many have umbrellas?

There is a simple solution to this.

First, lets find out how much people is 1/9

We can do this by dividing 18 by 9 to get 2

So 1/9 of the group is 2 people.

Now you can use this to find 8/9 by multiplying 2 by 8

This gives you the total of 16

Another way you could do this was take the answer from the first step and subtract that from the 18

9/9 - 1/9 = 8/9   => 18 - 2 = 16

Hope this helps! =)

4 0
3 years ago
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