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Illusion [34]
3 years ago
10

Can Someone help me?

Mathematics
2 answers:
olchik [2.2K]3 years ago
6 0
First question
1:C 2:D 3:B 4:D

second question
0-2+5

Yanka [14]3 years ago
4 0

Answer:

Step-by-step explanation:

The match the correct letters are

1. C -6+6 is 0

2. D-9+9 is 0

3. B 5 times 2 is 10 and 10-10 is zero

4.A 4 times 4 is 8 and 8-8 is 0 also.

and the equation is 0-2=5

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The point (2, –4) is reflected across the line y = –1. What are the coordinates of the image?
schepotkina [342]

ANSWER

The coordinates of the image are (2,2)

EXPLANATION

The mapping for a reflection across the line y=k is :

(x,y)\to (x,2k-y)

We want to find the image of the point (2,-4) after a reflection in the line y=-1.

In this case k=-1.

(2, - 4)\to (2,2( - 1)- - 4)

This simplifies to,

(2, - 4)\to (2, - 2 + 4)

(2, - 4)\to (2, 2)

Hence the image is (2,2)

4 0
3 years ago
The number of State Parks in California is 36 more than one third the number of State Parks in Florida. There are 85 State Parks
romanna [79]
F/3+36=c  subtract 36 from both sides

f/3=c-36  multiply both sides by 3

f=3c-108
4 0
2 years ago
Find the volume of the shape
jeka57 [31]

Answer:

i think. 8 times 12 = 96 times 20 = 1,920

7 0
2 years ago
PLEASE HELP :) LOTS OF POINTS + BRAINLY
pogonyaev

Jackson's method to figure out the height of the mountain is from the

similar triangles formed by the light using the mirror.

Response:

  • The height of the mountain is <u>50 feet 8 inches</u>

<h3>Which methods can used to find the height of the mountain?</h3>

The given parameters are;

Distance of the mirror from Jackson = 5 feet

Distance of the mirror from the base of the mountain = 40 feet

Height of Jackson = 6'4'' tall

Required:

The approximate height of the mountain, <em>h</em>

Solution:

The triangles formed by the light from the top of the mountain which is

reflected to Jackson from the mirror, Jackson's height, the height of the

mountain, and their distances from the mirror, are similar triangles.

The ratio of corresponding sides of similar triangles are equal, therefore,

we have;

\dfrac{Jackson's \ height}{Jackson's \ distance \ from \ the \ mirror } =\mathbf{ \dfrac{Height \ of \ the \ mountain}{Distance \ of \ the \ mountain \ from \ the \ mirror}}

Which gives;

\dfrac{6\frac{1}{3} \, ft.}{5 \, ft.} = \mathbf{ \dfrac{h}{40 \, ft.}}

h = 480 \, in. \times \dfrac{76 \, in.}{60 \, in.} = 608 \, in. = \mathbf{50 \frac{2}{3} \, ft. = 50 \, feet \ 8 \, inches}

  • The height of the mountain is approximately <u>50 feet 8 inches</u>

Learn more about similar triangles here:

brainly.com/question/23467926

4 0
2 years ago
What the perimeter and area of this shape?​
Nataly_w [17]

Answer:

P = 55 feet

A = 237 sq feet

Step-by-step explanation:

P = 2(4) + (3.14 x 15)

A = (4 x 15) + (3.14 x 7.5²)

5 0
3 years ago
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