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Lostsunrise [7]
2 years ago
15

This is due tomorrow, help!​

Mathematics
1 answer:
skelet666 [1.2K]2 years ago
4 0

Deena said that she received a 25 dollar discount but the equation says 9x + 25 = 28.

The Rewrite would be: 9x - 25 = 28.

How to make the situation fit the equation?:  "I bought some shirts at the store for $9 each and received a $25 add on. My total bill was $88. How many shirts did I buy?"

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What are common multiples of 7 and 4
Sergeu [11.5K]

Answer:

28, 56, 84, 112, etc.

Step-by-step explanation:

Since 28 is the first number they have in common, 28 is the least common multiple of 4 and 7.

8 0
3 years ago
Please answer this correctly without making mistakes I want ace expert and genius people to answer this correctly without making
soldi70 [24.7K]

Answer:

yz + z = -22

Step-by-step explanation:

Ok so you are already the number that y = 10 and z = -2. You will plug these number in the equation in order to find the answer. :-

y = 10 and z = -2

yz + z

<u>10(-2)</u> - 2

<u>-20 - 2</u>

-22

Hope this helps, thank you :) !!

6 0
3 years ago
What is 10/n = 15/45 solved?
Lina20 [59]
The answer would be 3.33333. I think because 10*15= 150. Then you would divide it by 45 and you would get 3.333. If you get it wrong im sorry.
8 0
3 years ago
Given f(x) =3x-7, find f(x+1)+f(1)
ELEN [110]

Answer:

3x - 8

Step-by-step explanation:

To find f(x + 1) substitute x = x + 1 into f(x)

f(x + 1) = 3(x + 1) - 7 = 3x + 3 - 7 = 3x - 4

Similarly

f(1) = 3(1) - 7 = 3 - 7 = - 4

Hence

f(x + 1) + f(1) = 3x - 4 - 4 = 3x - 8

3 0
3 years ago
Nina can type 124 words in 4 minutes.at this rate how many words can nina type in an hour
Ludmilka [50]

Answer:

<em>1,860</em>

Step-by-step explanation:

FIRST:

we divide 124 by 4 because in 4 minutes he can type 124 words, and we need to figure out how many he can type in a minute.

124 divided by 4 is 31. (they can type 31 wpm)

NEXT: now we know they can type 31 wpm, we need to multiply that number by 60 because there are 60 minutes in an hour.

31 x 60 = 1,860

therefore, they can type 1860 words per hour

hope i helped have a great day/night! :'')

6 0
3 years ago
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