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Sunny_sXe [5.5K]
3 years ago
14

Please please help and show how you got the answer! I WILL MARK YOU AS BRAINLIEST

Mathematics
1 answer:
OleMash [197]3 years ago
7 0

Answer:

DE < EF < DF

Step-by-step explanation:

since DE(16) is shorter then DF(23), DE < DF

EF's range is in the middle of DE and DF, so the correct answer would be

DE < EF < DF

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Average Temperatures Suppose the temperature (degrees F) in a river at a point x meters downstream from a factory that is discha
mr Goodwill [35]

Answer:

Step-by-step explanation:

Average Temperatures Suppose the temperature (degrees F) in a river at a point x meters downstream from a factory that is discharging hot water into the river is given by

T(x) = 160-0.05x^2

a. [0, 10]

For x = 0

T(0) = 160 - 0.05 × 0^2

T(0) = 160

For x = 10

T(10) = 160 - 0.05 × 10^2

T(10) = 160 - 5 = 155

The average temperature

= (160 + 155)/2 = 157.5

b. [10, 40]

For x = 10

T(10) = 160 - 0.05 × 10^2

T(10) = 160 - 5 = 155

For x = 40

T(10) = 160 - 0.05 × 40^2

T(10) = 160 - 80 = 80

The average temperature

= (80 + 155)/2 = 117.5

c. [0, 40]

For x = 0

T(0) = 160 - 0.05 × 0^2

T(0) = 160

For x = 40

T(10) = 160 - 0.05 × 40^2

T(10) = 160 - 80 = 80

The average temperature

= (160 + 80)/2 = 120

6 0
3 years ago
Cooper earned $660 as a furniture salesman this month. His earns a
Grace [21]
Ya got to go $660 + 7% hours later on $450 hours later 00.578 to finish
5 0
3 years ago
What is the area of the figure ?
Savatey [412]

Answer:

48

Step-by-step explanation:

L = Length  W = Width  H = Height  B = Base

8L x 4W = 32

4B + 4H = 8

4B + 4H = 8

8 + 8 = 16

16 + 32 = 48

(MEANS A LOT FOR A BRAINLIEST - TRYING TO REACH GENIUS)

;)

7 0
3 years ago
Which of the following is false about the figure?
Olin [163]

Answer:

d.

Step-by-step explanation:

Let's examine each statement:

Option A: m<CUD = m<VUM (CORRECT)

Rationale: vertical angles are congruent to each other.

Option B: m<AUV + m<DUA = 180 (CORRECT)

Rationale: angles on a straight line

Option C: m<MUC - m<MUD = m<CUD (CORRECT)

Rationale:

m<MUC = m<MUD + m<CUD

Subtract m<MUD from each side

m<MUC - m<MUD = m<CUD

Option D is FALSE

Rationale:

m<PUD + m <VUP = 180° (angles on a straight line)

m<PUM + m<CUA ≠ 180°

Therefore,

m<PUD + m<VUP = m<PUM + m<CUA IS FALSE.

5 0
3 years ago
Can someone help me with this problem. please
Kitty [74]

Answer:

Step-by-step explanation:

area = 30x + 30(x+3) + 30(2x)

= 30x + 30x+90 + 60x

= (120x + 90) m²

length of planting area = x + (x+3) + 2x = 4x+3 m

area = 30(4x+3) = (120x + 90) m²

x = 5

maple area = 30(5+3) = 240 m²

locust area = 30(2·5) = = 300 m²

8 0
3 years ago
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