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3 years ago

Help pleasee

Mathematics

1 answer:

patriot [66]3 years ago

5 0

Answer:

2 + 2 + 2 + 4 + 4 + 4= 20 3 apples and 4 oranges

Step-by-step explanation:

20 - 4 = 16 16 - 4 = 14 - 2 = 12 12 - 4 = 8 8 - 4 = 4 4 - 2 = 2

1 orange 2 oranges 1 apple 3 oranges 4 oranges 2 apples

and 2 - 2 = 0

3 apples

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suppose demand is given by P-120-5Q if the price drops from 80 per unit to 60 what is the change in consumer surplus

ANEK [815]

Answer:

Step-by-step explanation:

p=120 -5Q

when p = 80

80 = 120 -5Q

Q=8

and when p= 60

60 = 120 -5Q

Q=12

so, change in consumer surplus = 12-8

= 4

4 0

3 years ago

Evaluate each expression if d=8, e = 3,f=4, and g=-1<br> Help!!!

svetoff [14.1K]

Step-by-step explanation:

1. 2(d+9)

2(8+9)

2(17)

=34

2. d÷4

8÷4

3. ef÷4

(3×4)÷4

12÷4

4. 4f+d

(4×4)+8

16+8 =24

5. (5d-25)÷5

((5×8)-25)÷5

(40-25)÷5

15÷5 = 3

6. d2+7

(8×8) +7

64+7

=71

5 0

3 years ago

Use rules of transformations to answer each of the items below. Be sure to answer in complete sentences, and when necessary, inc

cestrela7 [59]

We choose the coordinates (4,4), (4,10), and (8,4) as the vertices of right-angle triangle ABC

We want to dilate triangle ABC by scale factor of 2 at the center (0,2)

The image is shown below as triangle A'B'C' with coordinates (8.6), (8,18), and (18,6).

Triangle ABC has a base of 4 units and a height of 6 units
Triangle A'B'C' has a base of 8 units and a height of 12 units

Applying Pythagoras theorem to triangle ABC to find the hypotenuse
$BC^{2}= AB^{2}+ AC^{2}$
$BC^{2}= 4^{2}+ 6^{2}$
$BC^{2} =52$
$BC=2 \sqrt{13}$

Now, we calculate the hypotenuse of the image
$B'C'^{2}= A'B'^{2}+ A'C'^{2}$
$B'C'^{2}= 8^{2}+ 12^{2}$
$B'C'^{2}=208$
$B'C'= \sqrt{208} =4 \sqrt{13}$

The hypotenuse of the image is twice the hypotenuse of triangle ABC which proof the two shapes are similar shape

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3 years ago

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marin [14]

Answer:

x=4

Step-by-step explanation:

No slope means slope is undefined --> you have vertical line that passes through (4,-6), where x=4, y= -6

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3 years ago

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3 years ago