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Viefleur [7K]
3 years ago
5

Which part of the algebraic expression 7a - 4 is the constant? 7 a-4 4 7 a 7

Mathematics
2 answers:
cestrela7 [59]3 years ago
8 0

Answer:

4 is the constant⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

I am Lyosha [343]3 years ago
6 0
4 would be constant.
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Alicia bought a notebook and several erasers at the student store. The graph shows the relationship between the total cost of he
melomori [17]
<h3><u>Answer:</u></h3>

Option: C is the correct answer.

$ 1.50 is the cost of 1 eraser.

<h3><u>Step-by-step explanation:</u></h3>

Alicia bought a notebook and several erasers at the student store.

Let the cost of 1 eraser=$ x.

Now from the scatter plot we could see that when Alicia did not bought any eraser then her total cost =$ 2.

That means cost of a notebook=$ 2.

Now when she buys a notebook and two eraser then she pays=$ 5.

i.e.

Total cost=cost of notebook+ 2× cost of 1 eraser

Total cost=cost of notebook+2×x

i.e.

5=2+2x

⇒ 2x=5-2

⇒ 2x=3

⇒ x=1.5

Hence, cost of one eraser is:

$ 1.50

6 0
3 years ago
Read 2 more answers
Why is this number not in scientific<br> notation?<br> 36.5 x 10^6<br> please help
andrew11 [14]

Answer:

The first number should be a number between 1 and 10 (see explanation)

Step-by-step explanation:

For a number to be in scientific notation, a number between 1 and 10 has to be multiplied by a power of 10.

36.5 is not between 1 and 10, alternatively, you can rearrange it:

3.65 x 10^7      <----This would be the correct scientific notation

3 0
2 years ago
One angle is twice another angle. The sum of the angles is 90 degrees. How many degrees are in each angle. Please explain.
Natali [406]
One angle has 60 degrees, the other angle has 30 degrees.

60 divided by 30 = 2.

and 60 + 30 = 90.
7 0
3 years ago
What was Bassima’s error?
stepladder [879]

Answer:

D

Step-by-step explanation:

EVerytime you do exponents its positive

3 0
3 years ago
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You've just purchased 12 lb of celery. You take it back to your kitchen and proceed to trim and cut it into pieces, ending up wi
Alecsey [184]
We should know that ⇒ 1 lb = 16 oz

The amount of purchased celery = 12 lb = 12 * 16 = 192 oz
<span>Trim and cut it into pieces, ending up with 5.5 oz of trim.
</span><span>
</span><span>The yield will be = 192/5.5 = 34.91
</span><span>
</span><span>Taking the smallest integer number.
</span><span>
</span><span>So, the yield = 34
</span><span>
</span><span>which will be equal = 34*5.5 = 187 oz
</span><span>
</span><span>
</span><span>So, the yield </span>percentage = \frac{187}{192} *100 = 97.4 \%
3 0
3 years ago
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