3 years ago

Please, help me +65 points

Mathematics

2 answers:

SIZIF [17.4K]3 years ago

8 0

Answer:

1: B

2: G

3: J

4 M

5: Q

6: V

7: X

8: B

Step-by-step explanation:

harina [27]3 years ago

3 0

Answer:c

1: B

2: G

3: J

4 M

5: Q

6: V

7: X

8: B

I am joyous to assist you anytime!

<em>-Jarvo</em>

Step-by-step explanation:

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(x-1)(x+1)= выполнить умножение

Illusion [34]

Answer:

x^2-1^2

Step-by-step explanation:

formula:

(a-b)(a+b)=a^2-b^2

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1 year ago

A dealer sold a stereo system for $754 after he marked it up 45%. What did the dealer pay for the stereo system?

svetlana [45]

754/145 = 5.2
5.2 x 100 = 520
Final answer = 520

8 0

2 years ago

If you can help me with this I would be thankful

viva [34]

When a function is compose by its inverse, the result is its original input. Therefore,

$f(f^{-1}(x))=x$

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11 months ago

Mary is painting pumpkins to earn money. She plans on selling each pumpkin for $7.50. She currently has $200 in her savings acco

bixtya [17]

Answer: No. It's not proportional

Step-by-step explanation:

The direct proportion in mathematics is expressed as:

y = kx

where

y = $200

k = constant

x = $7.50

We then solve for k

y = kx

200 = 7.50k

k = 200/7.50

k = 26.67

Since k isn't a whole number, then the amount of money in her bank account proportional to the number of pumpkin she sells.

7 0

3 years ago

Find the value of each variable. Write an<br> equation then solve showing ALL the work<br> A2x+10°

AveGali [126]

Answer:

x = 25

Step-by-step explanation:

The three straight lines in the sides of the triangle means that ALL 3 SIDES ARE EQUAL.

This is an equilateral triangle. So all 3 angles are equal.

We know sum of 3 angles in a triangle is 180. Since 3 of the angles are equal, each angle is:

180/3 = 60

The top angle is given as "2x + 10", thus we can say "2x + 10" is equal to 60 degrees. Now we equate and solve for x:

$2x+10=60\\2x=60-10\\2x=50\\x=\frac{50}{2}\\x=25$

The value of x is 25

4 0

3 years ago