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Anarel [89]
1 year ago
11

I need help with my math.the problem is in the picture below.

Mathematics
1 answer:
Delvig [45]1 year ago
5 0

Given two similar triangles

So, the corresponding angles are congruent, and the corresponding sides are proportional

As shown:

m∠ Y = 35, m∠ X = 90

So, m∠ W = 90 - 35 = 55

And the triangle XYW is similar to the triangle ECD

So,

\begin{gathered} m\angle C=m\angle Y=35 \\ m\angle D=m\angle W=55 \\ m\angle E=m\angle X=90 \end{gathered}

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The length of an equilateral triangle is increased by 5 cm. The perimeter of the new triangle is 72 cm. What is the side length
Igoryamba

Answer:

19cm

Step-by-step explanation:

An equilateral triangle is a triangle where the length of the 3 sides are the same.

the perimeter is the sum of the 3 sides

for example, if the length of the side of the an equilateral triangle is 5, the perimeter is 5 x 3 = 15

let x = unknown length of side

length after increase = x + 5

(x + 5) x 3 = 72

divide both sides of the equation by 3

x + 5 = 24

subtract 5 from both sides of the equation

x = 24 - 5 = 19cm

6 0
3 years ago
How do you factor 5x^2b^2 + 14xb^2 -3b^2
Monica [59]

Answer:

5b^2(x-0.2)(x+3)

Step-by-step explanation:

The first thing that I noticed was that all of the terms had a common factor of b^2. You can therefore factor that out first:

5x^2b^2 + 14xb^2 -3b^2= \\\\b^2(5x^2+14x-3)

Now, you have a quadratic equation inside the parentheses. Factoring, you find that the roots are -0.2 and 3, meaning that you can further factor this expression to be:

5b^2(x-0.2)(x+3)

Hope this helps!

3 0
3 years ago
Part C
svetlana [45]

Answer:

40$,160$ & 60

Step-by-step explanation:

First,find the equation using y-y1/ y1-y2=x-x1=x1-x2

y-0/0-20=x-0/0-3

y=20x/3

Now put the values of x& y in the equation, for the 1st one,

y=20×6/3

=40

2nd one.y=20×24/3

=160

3rd one,

400=20x/3

X=400×3/20

=60

8 0
3 years ago
Read 2 more answers
A salesman packs dog biscuits in boxes containing 16, 17, 23, or 24 pounds each. He will not sell them in any other sizes or spl
sweet [91]

Answer:

the closest the sales man can fit in a box is 96lbs without going over. so therefore, no, he cannot fulfill the order.

5 0
3 years ago
9 cups for 3 pounds<br> Unit rate
BaLLatris [955]

Answer:

9/3= 3/1

Step-by-step explanation:

Just bring the numbers down and make it in simplest form so every 3 cups per 1 pound

3 0
3 years ago
Read 2 more answers
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