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RideAnS [48]
3 years ago
13

What is w²+2xy if x= - 3, w= - 2, and y=1?

Mathematics
2 answers:
sesenic [268]3 years ago
6 0
First, plug the numbers into the equation:

(-2)^2+2(-3)(1)

then do your exponents:
-2 times -2 = 4
4+2(-3)(1)

multiply and add:
4+-6

answer:
-2
ZanzabumX [31]3 years ago
5 0

Answer:

-10

Step-by-step explanation:

w2 is -2x-2

2xy is getting times together -3x1

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B(n) = -1 (2)^n-1 What is the 5th term in the sequence?
bija089 [108]

Answer:

<h2>The answer is - 16</h2>

Step-by-step explanation:

<h3>b(n) =  - 1 ({2})^{n - 1}</h3>

where

n is the number of terms

From the question since we are finding the 5th term

n = 5

Substitute the value into the above formula and solve

We have

b(5) =  -  1({2})^{5 - 1}  \\  =  - 2 ^{4}

We have the final answer as

<h3>- 16</h3>

Hope this helps you

8 0
4 years ago
Put the following in order from smallest to largest 1 - 0.29 - 23% - 1 - 0.027
valentinak56 [21]
1 ; 0.29 ; 23% ; 1 ; 0.027 ; 4.5

23% is 0.23

smallest to largest:

0.027 ; 23% ; 0.29 ; 1 ; 1 ; 4.5

If in percentage form, multiply each in 100%

0.027 x 100% = 2.7%
23% already in % form, as is = 23%
0.29 x 100% = 29%
1 x 100% = 100%
4.5 x 100% = 450%
8 0
3 years ago
2(x+5 ) = 3x + 1 <br> i dont understand
Annette [7]

Answer:

x=9

Step-by-step explanation:

find x

2(x+5) = 3x+1

2x+10 = 3x+1

10-1 = 3x-2x

9 = x

x = 9

7 0
3 years ago
Read 2 more answers
Jared spent 1/4 of his money on stamps for his collection. If he spent $75, how much money did she have at first? (PLEASE SHOW S
SSSSS [86.1K]
Jared would of had $100 before he spent 1/4 of it
4 0
3 years ago
Read 2 more answers
Find mZA and mZB.<br> Please help :)
EastWind [94]

Answer:

Angle A: 28 degrees

Angle B: 24 degrees

Step-by-step explanation:

Hi there!

The angle that measures 52 degrees (angle DCA) is one of the exterior angles of a triangle. An exterior angle of a triangle is equal to the sum of the opposite interior angles, which in this case would be angles A and B. Knowing this, we can set up the following equation:

4y-4+3y=52

<u>1) Solve for y</u>

4y-4+3y=52

Combine like terms

7y-4=52

Add 4 to both sides to isolate 7y

7y-4+4=52+4\\7y=56

Divide both sides by 7

\frac{7y}{7}=\frac{56}{7} \\y=8

Therefore, y is equal to 8.

<u>2) Solve for angles A and B</u>

Angle A:

4y-4\\=4(8)-4\\=32-4\\=28

Angle B:

3y\\=3(8)\\=24

I hope this helps!

5 0
3 years ago
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