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Sonbull [250]
3 years ago
10

??????????????????????????

Mathematics
2 answers:
dimulka [17.4K]3 years ago
8 0

Answer: B=70 i think


Step-by-step explanation:


Minchanka [31]3 years ago
3 0
B = 70, subtract the 4/5 from the 9/10 and you get 0.1 divide both sides by 0.1 and that’s how you get 70.
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Drag and Drop the correct answer into the boxes below.
scoray [572]

Answer:

the first blank is 100

the second is 80

Step-by-step explanation:

7 0
2 years ago
What is the value of x? -2x + 8 = - 16
umka2103 [35]
Solve the equation
So first we subtract 8 from both sides because we apply the inverse operation.
-2x+8=-16
     -8      -8
Now we apply it and re write the equation
-2x=-24
Now the inverse operation for multiplication is division, so we apply it.
-2x=-24
------------
 -2      -2
We are left with x=8
So our final answer is x=8

Check our work
-2(8)+8=-16

CORRECT ANSWER. :)
5 0
3 years ago
Read 2 more answers
Use the vertical method to multiply (4a3 – 2a + 3a2 + 1) and (3 - 2a + a²).
Igoryamba

Answer:

.a^3-2a+3a^2+1\right)and\left(3-2a+a 2\ri

Step-by-step explanation:

pls brainliest

6 0
2 years ago
If the circumference of the circle above is 31.4 units, what is the area? (Use 3.14 for .) A. 62.8 units B. 78.5 units C. 985.96
jenyasd209 [6]

Answer:

78.5 units

Step-by-step explanation:

To find the area of a circle the formula is πr"2"

First we have to find the diameter the find the radius. We already know that the circumference is 31.4 what we have to do now is work backwards. ( 31.4 / 3.14=10) If the diameter of a circle is 10 the radius is 5. now we just have to follow  πr"2" to find the area of a circle. (5"2"= 25 x 3.14= 78.5 units)

6 0
3 years ago
What other angle between O and 360 degrees has the same TAN value as 71
atroni [7]

Answer:

<u>-289 degrees</u>

Step-by-step explanation:

You are looking for what is called  <u>Coterminal Angles</u>.

To find a coterminal angle between 0 and 360 you <u>add or subtract</u> 360.

  1. In this case, we subtracted 360 from 71
  2. 71 - 360 = -289
  3. tan(-289) = 2.90
  4. If  TAN 71 = 2.90 and TAN -289 = 2.90, you know -289 is your answer.

Hope this helps!! Please mark Brainliest!!!

5 0
2 years ago
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