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kakasveta [241]
3 years ago
14

Help me please

Mathematics
1 answer:
DiKsa [7]3 years ago
5 0
Operations with variables can give you excluded values by making the denominator equal to zero.

Ex. 48/60 always equals to 4/5 but 4x/6x is not always equal to 2/3 because when you make x equal to zero it makes the equation invalid.
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Grace earns $7 for each car she washes. She always saves $25 of her weekly earnings. This week, she wants to have at least $65 i
mars1129 [50]
7c - 25 ≥ 65 is the answer.
3 0
3 years ago
Find the area of the blue sector(s). The diameter is 14.
pav-90 [236]

The area of the entire circle is pi*(7)^2, or 49pi.


Due to the 90 degree angle, the area of the larger blue sector is


90

------- * 49 pi = 49/4 units^2

360


The area of the smaller blue sector is


48

------- 49 pi = (2/15)(49 pi) = 98 pi/15 units^2

360


The total area of the blue sectors is the sum of 98 pi/15 and 49 pi/4 (units^2):


59 units^2

5 0
3 years ago
Select the correct answer.
hram777 [196]

Answer:

I think the answer is C.

Step-by-step explanation:

The law of exponents states that when you divide the same base you subtract the exponents.

6 0
3 years ago
A total of 750 students attended a conference at avenel high school the attendance of the number of girls was twice that of the
leva [86]

Answer:

250 boys attended the conference.

Step-by-step explanation:

First, divide 750 by 3 (one-third of the conference is boys) and you will get 250 (number of boys). If you wanted to find the number of girls too, you would simply double 250 to get 500 girls.

4 0
3 years ago
An extra large pizza recipe uses 6 ounces of cheese, 12 ounces of sauce, and 36 ounces of dough. In simplest form, how many ounc
Vinil7 [7]

Answer:

ratio dough:cheese 6:1

Step-by-step explanation:

36 ÷ 6 = 6

._.

6 0
2 years ago
Read 2 more answers
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