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Simora [160]
3 years ago
11

3 Danica simplified tre following expression,

Mathematics
1 answer:
Scrat [10]3 years ago
7 0

Answer:

The answer is 42

Danica in the third step suddenly transformed 32 into 9.

so continuing from there.....

20-10+32

10+32

42

<Hope it helped!~❤️>

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I need help with these two
djyliett [7]

Answer:

Part 1) Slope-intercept form

Part 2) The slope of 2.20 tells me the rate per mile and the y-intercept of 2.50 tells me the flat fee

Step-by-step explanation:

Part 1) we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or unit rate

b is the y-intercept or initial value

In this problem we have

y=2.50+2.20x

This is a linear equation in slope intercept form

where

m=2.20

b=2.50

Part 2) we have that

x -----> represent the number of miles

y ----> represent the total charge in dollars

The slope is

m=\$2.20\ per\ mile ---> unit rate

The y-intercept is

b=\$2.50 ----> initial value or flat fee

therefore

The slope of 2.20 tells me the rate per mile and the y-intercept of 2.50 tells me the flat fee

4 0
4 years ago
If it's possible to tell, decide if a and b are positive or negative: a-3&gt;b-3 and b&gt;4
Svetllana [295]

Answer:

a and b are positive

Step-by-step explanation:

We are given that

a-3>b-3

b>4

We have to find that a and b are positive or negative.

We have

b>4

It means b is positive and greater than 4.

a-3>b-3

Adding 3 on both sides

a-3+3>b-3+3

a>b>4

\implies a>4

Hence, a is positive and greater than 4.

Therefore, a and b are positive

6 0
3 years ago
Claire was out at a restaurant for dinner when the bill came. Her dinner came to $26. After adding in a tip, before tax, she pai
Kryger [21]

Answer:

0.0312

Step-by-step explanation:

You subtract 29.12 by 26 which equals 3.12

Then you divide by 100 which equals 0.0312

7 0
3 years ago
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goldfiish [28.3K]

Answer:

d

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP! Will give brainliest!! No scammers please.
laiz [17]

Answer:

Maximizing Profit. Waterbrook Farm includes 240 acres of cropland. The farm owner wishes to plant this acreage in both corn and soybeans. The profit per acre in corn production is $325 and in soybeans is $180.A total of 320 hr of labor is available. Each acre of corn requires 2 hr of labor, whereas each acre of soybean requires 1 hr of labor. How should the land be divided between corn and soybeans in order to yield the maximum profit? What is the maximum profit?

Step-by-step explanation:

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3 years ago
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