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Len [333]
2 years ago
5

Complete the equivalent addition expression for each subtraction

Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
6 0

Answer:

Step-by-step explanation:

We have to write the additive inverse of the second number.

Additive inverse of 4 is (-4)

Additive inverse of (-4) = 4

A. 23 - 3 = 23 + (-3) = 20

B. 7 - (-15) = 7 + (+15) = 22

C. -15 - 4 = -15 + (-4) =  - 19

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Please help with this math question
Ivenika [448]

Answer:

-1024x^20y^25

Step-by-step explanation:

(-4)^5 = -1024

(x^4)^5 = x^20

(y^5)^5 = y^25

7 0
4 years ago
Which phrase best describes the location of 22/5 on a number line?
Leona [35]
22/5 = 4 2/5 = 4.4

Answer: 22/5 is closer to 4 than 5.
8 0
4 years ago
n Chatty Cathy’s cell phone plan she pays for minutes used plus a fixed monthly charge. For 500 minutes she pays $35 total, and
Vladimir [108]

Answer

Find out  the what is her monthly fixed charge .

To prove

Let us assume that the cost per mintues = x

Let us assume that the monthly charge be = y

As given

n Chatty Cathy’s cell phone plan she pays for minutes used plus a fixed monthly charge.

For 500 minutes she pays $35 total

Than the equation becomes

500x + y = 35

As given

for 1500 minutes used she pays $55 total.

Than the equation becomes

1500x + y = 55

Subtracted 500x + y = 35 from 1500x + y = 55

1500x - 500x + y - y = 55 - 35

1000x = 20

x = \frac{20}{1000}

x = $0.02

Put in the  500x + y = 35

500 × 0.02 + y = 35

10 + y = 35

y = 35 - 10

y = $25

Therefore the monthly fixed charge be $25.




3 0
3 years ago
A zoo randomly sampled three groups of 100 people on what their favorite type of bear is. The data shows the results of the thre
maxonik [38]

Answer:

1555 people

Step-by-step explanation:

First, average the votes for polar bears.

(46 + 43 + 49)/3 = 46

Next, make the variable x equal to the estimate of the number of people who will prefer polar bear out of the 3380 people and set up your proportion equation.

x/3380 = 46/100

x = 1554.8

Round to the nearest whole number to get 1555.

3 0
3 years ago
Match the graph to the correct inequality below.
Norma-Jean [14]
The answer is the last one
4 0
3 years ago
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