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Firdavs [7]
3 years ago
11

I need help l don’t know what to do

Mathematics
1 answer:
dangina [55]3 years ago
7 0

Answer:

It would just the intersecting point: (-4, -1)

Step-by-step explanation:

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Find the measure of each exterior angle of a regular polygon in which the sum of the measures of the interior angles is 2,520 de
goldenfox [79]

Answer:

0 y+o+u+t+u+b+e

Step-by-step explanation:

7 0
3 years ago
What is the value of y in this triangle?​
xeze [42]

Answer: y=36 degrees

Step-by-step explanation: the exterior angle of a triangle is equal to the sum of the two remote interior angles of a triangle. using this, you can subtract 98 from 134 degrees to find your answer. 134-98 is 36 degrees. Hope this helps :)

4 0
3 years ago
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PetSmart.com sold the following varieties of dog food in June 2003.
aivan3 [116]

Let x  be the number of bags of Nature's Recipe Venison Meal & Rice Canine 20 percent protein, y be the number of bags of Nutro Max Natural Dog Food 27 percent protein and z be the number of bags of PetSmart Premier Oven Baked Lamb 25 percent protein a dog breeder buys. He  wants to make 300 pounds of a mix. Then

20x+17.5y+30z=300.

Now

  • in 20x pounds of Nature's Recipe Venison Meal & Rice Canine 20 percent protein is 0.2·20x=4x pounds of protein;
  • in 17.5y pounds of Nutro Max Natural Dog Food 27 percent protein is 0.27·17.5y=4.725y pounds of protein;
  • in 30z pounds of PetSmart Premier Oven Baked Lamb 25 percent protein is 0.25·30z=7.5z pounds of protein;
  • in 300 pounds of mix containing 22 percent protein is 0.22·300=66 pounds of protein.

Then 4x+4.725y+7.5z=66.

You get a system

\left\{\begin{array}{l}20x+17.5y+30z=300\\4x+4.725y+7.5z=66.\end{array}\right.

From the first equation z=10-\dfrac{2}{3}x-\dfrac{7}{12}y. Substitute it into the second equation:

4x+4.725y+7.5(10-\dfrac{2}{3}x-\dfrac{7}{12}y)=66.

Simplify it:

-x+\dfrac{7}{20}y=-9,\\ \\ 20x-7y=180.

y must be divided by 20, then

  • y=0, x=9, z=10-6=4;
  • y=20, x=16, z is not a whole number;
  • y=40, x=23,  z is not a whole number;
  • y=60, x=30, z=10-20-35<0;
  • thus, all other possible z will be <0.

Answer: 9 bags with 1st mix, 0 bags with 2nd mix and 4 bags with 3rd mix.

5 0
3 years ago
Use the properties of addition to simplify 2d + 2 - 7f+ 4d - f.
Rudik [331]
6d - 8f + 2

hope this helps


8 0
3 years ago
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Given b(x)=|x+4|, what is b(-10)
stira [4]

Answer:

b(-10)= -6

Step-by-step explanation:

b(x)= |x+4|

b(-10)= |-10+4|

b(-10)= -6

8 0
3 years ago
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