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Aleksandr [31]
3 years ago
13

Find the errors and correct the following mathematical sentences.​

Mathematics
2 answers:
zhuklara [117]3 years ago
6 0

Answer:

The correct answers are:

xii) (x+7)(x+7)

=x^2 +7x +7x +49

=x^2 +14x +49

xiv) (x+4)(x+2)

=x^2 +2x +4x +8

=x^2 +6x +8

xvi) 5x^3 ÷ 5x^3

=1

Levart [38]3 years ago
6 0

Answer:

This is your answer ☺️☺️

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To eliminate the y terms, you can multiply the first equation by 5 and the second equation by what number?
gladu [14]

Step-by-step explanation:

the second equation should be multiplied by 9

6 0
3 years ago
A plate of vegetables and white rice. jace is a vegetarian, eating at a local restaurant. he chooses a grilled tofu salad that i
allsm [11]
Answer is to ask for brown rice instead of white rice.

Reason is brown rice is less refined and has more fiber to help you stay full and it has a lower GI index.

❌ he can ask for the tomatoes to be left out (tomatoes are healthy and good for you).
✅ he can ask for brown rice instead of white rice.
❌ he can ask for his tofu to be fried instead of grilled (fried is not healthier)
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8 0
2 years ago
) Rearrange v = u + at to make t the subject of the formula.
uranmaximum [27]

Answer:

t = v-u over a

Step-by-step explanation:

as you take away  U

then divide by a

5 0
3 years ago
7m+9, for m=2.<br> Someone solve please
photoshop1234 [79]

Answer:

23

Step-by-step explanation:

7m + 9 =

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<em>Hope that helps!</em>

6 0
3 years ago
Read 2 more answers
Can someone help me with this?
oksian1 [2.3K]

Answer:

  • 85 hours
  • 10 2/3 ≈ 11 days

Step-by-step explanation:

We can treat this as a units conversion problem. Each multiplier is a fraction that has the same value in the numerator as the denominator, but expresses that value with different units. We choose to cancel units we don't want, and replace them with units we do want. Ultimately, we're evaluating the expression ...

  time = quantity/rate

  (4 mi²) × (640 ac/mi²) × (5 min)/(2.5 ac) × (1 h)/(60 min)

  = (4·640·5)/(2.5·60) h = 85 1/3 h

It will take about 85 hours to plant the farm.

__

At 8 hours per day, that is (85 1/3)/(8) = 10 2/3 days.

It will take about 11 days to plant the farm.

5 0
2 years ago
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