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ZanzabumX [31]
3 years ago
10

Keisha ran to swim practice but needed to stop by her friend Natasha’s house on the way. She stayed at Natasha’s house for 15 mi

nutes, and together they ran the rest of the way to practice, where they stayed for 1 hour.
Which graph best represents the scenario described?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
7 0
The answers would be C. the straight horizontal lines represent when she is(not moving) stationary
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The sum of two integers is 2. Their difference is 10. What are the two integers?
STALIN [3.7K]

Answer:

6 and -4

Step-by-step explanation:

a + b = 2

a - b = 10

Solve:

from the first eq.

a = 2 - b

replacing this value in the second eq.

(2-b) - b = 10

2 - 2b = 10

-2b = 10 - 2

-2b = 8

b = 8/-2

b = -4

from the second eq.

a - b = 10

a - (-4) = 10

a  + 4 = 10

a = 10 - 4

a = 6

Check:

from the first eq.

6 + (-4) = 2

6 - 4 = 2

3 0
2 years ago
Find the perimeter and the area of the polygon with the vertices: (-1, -2), (-6, -2), (-6, -8), (-1, -8)
Irina-Kira [14]

Answer:

a) The perimeter of the rectangle =

= 22 units

b) The area of the rectangle

= 30 square units

Step-by-step explanation:

We solve the above question using the formula

= √(x2 - x1)² + (y2 - y1)²

When we are given vertices (x1, y1) and (x2, y2)

The vertices: (-1, -2), (-6, -2), (-6, -8), (-1, -8)

We have to find the length of the sides

Side A

(-1, -2), (-6, -2)

= √(-6 - (-1))² +( -2 -(-2))²

= √-5² + 0²

= √25

= 5 units

Side B

(-6, -2), (-6, -8)

= √(-6 - (-6))² + (-8 - (-2))²

= √(-6 +6)² + (-8 +2)²

= √0² + -6²

= √36

= 6 units

Side C

(-6, -8), (-1, -8)

= √(-1 - (-6))² +(-8 - (-8))²

= √(-1 + 6)² + (-8 + 8)²

=√ 5² + 0²

= √25

= 5 units

Side D

(-1, -2), (-1, -8)

= √(-1 -(-1))² + (-8 - (-2))²

= √(-1 + 1)² + ( -8 + 2)²

= √0 + -6²

= √0 + 36

= √36

= 6 units

From the above calculation,

Side A = Side C = 5 units

Side B = Side D = 6 units

Hence, this polygon is a quadrilateral called the RECTANGLE.

Therefore:

a) The perimeter of the rectangle =

2L + 2W

= 2(5) + 2(6)

= 10 units + 12 units

= 22 units

b) The area of the rectangle

= Length × Width

= 5 units × 6 units

= 30 square units

4 0
3 years ago
Find the measure of angle AGE in the figure below. Enter only<br> the number.
sesenic [268]

Answer:

AGE = 129 degrees

Step-by-step explanation:

4 0
3 years ago
Ayla is buying fence for two triangular sections of her garden. How much fence would she need for ΔDFG?
zysi [14]

Answer:

80 ft

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
naomi needs to solve 28 ÷ 7 = ?what related multiplication fact can she use to find the unknown number?
castortr0y [4]
28/7 =4
7•4 is 28 or
7+7+7+7 is also 28
6 0
3 years ago
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