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aliina [53]
2 years ago
5

Help! Due soon! :) help me out and get some points

Mathematics
2 answers:
r-ruslan [8.4K]2 years ago
7 0

Answer:

15

Step-by-step explanation:

murzikaleks [220]2 years ago
4 0

Answer:

Option C

explanation:

Substitute in 11 to get -4+55=18+33. 51=51 is a correct statement.

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For her birthday party, Kelly invited her friends to a nearby roller-skating rink. The area of the rectangular rink is 1,530 ft2
oksian1 [2.3K]

Answer:

30ft

Step-by-step explanation:

1530ft2 divided by 51ft.

6 0
3 years ago
Find the measure of b+d. A. 74 B. 90 C. 32 D. 58
Sav [38]

Answer:

B. 90°

Step-by-step explanation:

Quadrilateral inscribed in the circle with center O is a cyclic quadrilateral.

Opposite angles of a cyclic quadrilateral are supplementary.

Therefore,

(b + d) + (32° + 58°) = 180°

b + d + 90° = 180°

b + d = 180° - 90°

b + d = 90°

4 0
3 years ago
Graph the system of linear inequalities.
Sonbull [250]
Im imperfect linear :( line grafh
5 0
3 years ago
3x-2y= 10<br> Write the slope intercept for of the equation
Savatey [412]

Answer: y = -3/2x + 5

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Notebooks cost $1.20 each. This weekend they will be $.80 What percentage is the sale?
geniusboy [140]
The sale is 33% off notebooks. This can be found by first subtracting .8 from 1.2

1.2-.8=.4    Now divide .4 by 1.2 to get your answer.

\frac{.4}{1.2}=.33

.33=33%

You can also solve this mentally because if you know your basic multiplication tables, 3*4=12 and so \frac{2}{3} of 12 would equal 8.

Does you understand it now?

6 0
3 years ago
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