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Mama L [17]
3 years ago
7

(4−5)−(2−16) What is the answer

Mathematics
1 answer:
Sati [7]3 years ago
8 0

Answer:

13

Step-by-step explanation:

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If you can tell me what the missing number is.
Orlov [11]

Answer:

6

Step-by-step explanation:

So, to start answering this, lets recall the formula for a rectangles volume:

This formula is :

V=h*w*l

Lets plug in what we know, and solve for the missing variable.

We know that height(h) is 7.

We know that width(w) is 9.

We know that volume(V) is 378.

We are missing length(l)

So:

378=7*9*l

To find length(l), we must iscolate it.

To do this, we must get rid of the 7 and 9.

So lets start by dividing 378 by 9:

378/9=7*9/9*l

=

42=7*l

Now lets do the same thing with the 7 to iscolate l:

42/7=7/7*l

=

6=l

So our missing length(l) is 6.

Answer:

l = 6

Hope this helps!

5 0
3 years ago
The first three terms of a geometric sequence are shown below.
san4es73 [151]
This is a geometric sequence of the form:

a(n)=(x+3)(-2x)^(n-1)  because each term is -2x times the previous term...so

a(8)=(x+3)(-128x^7)

a(8)=-128x^8-384x^7
4 0
3 years ago
Read 2 more answers
Use the relationships between the angles to solve for x <br><br> x = _____ degrees
Svetllana [295]

Answer:

x = 100

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is -2f + 4/5f ?
Mademuasel [1]
8-4/5f=-14-2f
Multiply both sides by 5
40-4f=-70-10f
Move variable to left and change signs
-4f+10f=-70-40
Combine like terms
6x=-70-40
6f=-110
Divide both sides by 6
F=-55/3
7 0
2 years ago
Help pls i need the angles one
OLga [1]
X=10 and y=20 is the answer
6 0
3 years ago
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