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dimaraw [331]
2 years ago
7

Find the surface area if the regular pyramid

Mathematics
1 answer:
lidiya [134]2 years ago
4 0
9.1 yards because it’s just the answer because i know it’s the answer
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(9x2 + 10x + 4) − (9x2 + 5x − 1)
ch4aika [34]

For this case we must simplify the following expression:

(9x ^ 2 + 10x + 4) - (9x ^ 2 + 5x-1)

We eliminate the parentheses taking into account that:

- * + = -\\- * - = +\\9x ^ 2 + 10x + 4-9x ^ 2-5x + 1 =

We add similar terms taking into account that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed.

9x ^ 2-9x ^ 2 + 10x-5x + 4 + 1 =\\5x + 5

Answer:

5x + 5

3 0
2 years ago
The supplement of an angle is 50 less than 3 times its complement, find the measure of the angle
Lelechka [254]

Answer:

20^{\circ}.

Step-by-step explanation:

Two angles are supplements of one another if their sum is 180^{\circ}.

Two angles are complements of one another if their sum is 90^{\circ}.

Let x^{\circ} be the measure of the angle in question.

The supplement of this angle would be (180 - x)^{\circ}.

The complement of this angle would be (90 - x)^{\circ}.

According to the question:

(180 - x) + 50 = 3\, (90 - x).

Solve this equation for x:

x = 20.

Thus, this angle would measure should 20^{\circ}.

The supplement of this angle would measure (180 - 20)^{\circ} = 160^{\circ}. The complement of this angle would measure (90 - 20)^{\circ} = 70^{\circ}.

Three times the complement of this angle would be 3 \times 70^{\circ} = 210^{\circ}, which is indeed 50^{\circ} greater than the supplement of this angle.

8 0
2 years ago
Who has the ps5 i do
Rzqust [24]

Answer:

im from da fam round herrrr u either got the ps3 or the x box 3-60

lm.ao.

4 0
3 years ago
Gianna used two refrigerators, each set to a different temperature, to cool two cups of hot liquid
ludmilkaskok [199]

Answer:

Whichever refrigerator has the HIGHEST temperature will make the hot liquid cool slower and whichever one has the LOWEST temperature will cool the hot liquid faster

Step-by-step explanation:

EXAMPLE: If one is 55 degrees and the other one is 5 degrees, the one that is 5 degrees will cool the hot liquid faster.

3 0
3 years ago
Read 2 more answers
You are planning a trip that will take you 821 miles from home. your car gets 24 miles per gallon, and the average price of gas
Blizzard [7]
The answer:

the total distance of the trip is 821 miles from home,
for this the car <span>gets 24 miles per gallon
</span>the average price of gas is $3.74 per gallon
the price can be calculated as:
for the trip, 
24 miles-------------1 gallon
821 miles------------ x= 821/24=34.20 gallons

1 gallon------------- $3.74
34.20 gallons---------x=?

to find this value

34.20 gallons x $3.74 = $127.93.
5 0
3 years ago
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