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azamat
2 years ago
14

Please answer quickly

Mathematics
2 answers:
olchik [2.2K]2 years ago
4 0

Answer:

a and c I think if I'm wrong I will try again

Helen [10]2 years ago
4 0

Answer:

The first and third option. (I think)

Step-by-step explanation:

You might be interested in
Help me please find x for this triangle!!!!
Ne4ueva [31]

Answer:

x=30

Step-by-step explanation:

Since the measure of an exterior angle is equal to the sum of any two angles in a triangle, the equation would be 4x-18=2x+6+36. Solve this, and we get x=30.

Hope this helped!

5 0
2 years ago
Which of the following statements about trapezoids is true?
Vikki [24]

Answer:

B

Step-by-step explanation:

Trapezoids have only one pair of parallel lines.        

3 0
2 years ago
A factory sells backpacks for $35 each. The cost to make 1 backpack is $15. In addition to the cost of making backpacks, the fac
Otrada [13]

Answer:9400 backpacks

\geqStep-by-step explanation

since the number of packs to be sold in a  is represented by x,

selling price for 1 week = 35x

cost price for 1 week = 15x

profit = 35x-15x = 20x

additional cost of production = 11,000

this implies that 20x - 11,000 \geq 7800

20x - 11,000 \geq 7,800

20x \geq 7800+ 11000

20x \geq 18,800

x \geq 18800/2

x \geq 9,400

at least 9,400 packs have to be sold each week to make a profit of $7800

7 0
3 years ago
Tina is saving to buy a notebook computer. She has two options. The first option is to put $500 away initially and save $30 ever
Jlenok [28]
First option:
y=money saved
x=number of months

y=30x+500

Second option:

y=50x+200

We have this system of equations:

y=30x+500
y=50x+200

We can solve this system of equations by equalization method
30x+500=50x+200
30x-50x=200-500
-20x=-300
x=-300/-20
x=15

so;
y=30x+500
y=30(15)+500
y=450+500
y=950

Answer; after 15 months, she would save the same amount using either option, the amount saved in either option will be $950. 
3 0
3 years ago
Can anyone help me with this one please
bulgar [2K]
A. 314 sq cm

Explanation: pi•r^2
3.14 x 10^2
3.14 x 100 =314
7 0
2 years ago
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