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inessss [21]
3 years ago
5

Please help asap!!!!!!

Mathematics
2 answers:
Alexandra [31]3 years ago
6 0

Answer:

Corr. <s Post ...

m<ABD and <CDE = 45

Step-by-step explanation:

90x-45=30x+15

60x=60

x=1

m<ABD and <CDE = 45

Savatey [412]3 years ago
5 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

According to given figure, Angle ABD and Angle CDE are equal because they form corresponding Angle pair.

so, now :

  • 90x - 45 = 30x + 15

  • 90x - 30x = 15 + 45

  • 60x = 60

  • x = 1 \degree

Measure of Angle ABD = Angle CDE = 30x + 15

  • (30 × 1) + 15

  • 30 + 15

  • 45°

hence, correct choice is D

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If a parabola has x-intercepts of 3 and -5, what is the equation of it’s axis of symmetry
ahrayia [7]

Answer:

x = -1

Step-by-step explanation:

The x value of the axis of symmetry is precisely halfway between the two given x-intercepts:  -5 and 3 are 8 units apart.  Add half of 8 units, or 4 units, to -5, to obtain:

-5 + 4 = -1

The equation of the axis of symmetry is therefore x = -1.

3 0
3 years ago
Which of the playground’s features are more than 25 feet away from the swings? Choose the THREE correct answers.
crimeas [40]

The playground’s features are more than 25 feet away from the swings are;

<em><u>Sandbox, Water fountain, Jungle gym</u></em>

Looking at the given graph, the distances of the other features from the swing are;

For sandbox; 8 units

For restroom; 4 units

For water fountain; 9 units

For Jungle gym; 7 units

Bench; 5 units

Now we are told that each units on the graph represents 5 ft.

Thus, the respective distances from the swing are;

Sandbox to swing = 8 × 5 = 40 ft

Restroom to swing = 4 × 5 = 20 ft

Water fountain to swing = 9 × 5 = 45 ft

Jungle gym to swing = 7 × 5 = 35 ft

Bench to swing = 5 × 5 = 25 ft

Thus, the playground’s features are more than 25 feet away from the swings are;

Sandbox, Water fountain, Jungle gym

Read more about interpretation of graphs at; brainly.com/question/1638242

5 0
2 years ago
Set up and solve a proportion for the following application problem. If 55 pounds of grass seed cover 404 square​ feet, how many
klio [65]

Answer:   990 lbs

<u>Step-by-step explanation:</u>

Set up the proportion, then cross multiply and solve for the unknown value (pounds).

\dfrac{55\ lbs}{404\ sq\ ft}=\dfrac{x}{7272\ sq\ ft}\\\\\\55\ lbs\cdot 7272\ sq\ ft=404\ sq\ ft\cdot x\\\\\\\dfrac{55\ lbs\cdot 7272\ sq\ ft}{404\ sq\ ft}=x\\\\\\990\ lbs=x

4 0
3 years ago
133-189 what is the answer
lara31 [8.8K]

Answer:

-56

Step-by-step explanation:

7 0
3 years ago
Given that the line y=c-2x is tangent to the curve y^2=kx where c and k are non-zero constants,express k in terms of c
Viktor [21]

Answer:

k = -8c.

Step-by-step explanation:

y^2 = kx

Find the slope of the tangent by differentiating:

y' 2y = k

y' = k / 2y = the slope of the tangent.

The given equation of the tangent is y = -2x + c so the slope = -2.

Therefore  k/2y =  -2  so k = -4y and y = -k/4

y^2 = kx so k^2/16 = kx giving x = k/16.

Substituting for x and y in y = -2x + c:

-k/4 = -2 k/16 + c

-k/4 = -k/8  + c

c = -k/4 + k/8 = -k/8.

So -k = 8c

k = -8c.

3 0
4 years ago
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