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neonofarm [45]
3 years ago
8

3 lines are shown. A line with points C, A, F intersects a line with points B, A, E at point A. A line extends from point A to p

oint D between angle C A E. Angle C A D is 89 degrees and angle B A F is 134 degrees.
What is the measure of ∠DAE?

45°
46°
91°
146°
Mathematics
2 answers:
JulsSmile [24]3 years ago
6 0

Answer:

A   45

Step-by-step explanation:

edge 2020

Elena L [17]3 years ago
3 0

Answer:

45

Step-by-step explanation:

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A box contains a collection of triangular and square tiles. There are 2525 tiles in the box, containing 8484 edges total. How ma
AnnyKZ [126]
Let us consider the number of edges = x
we know that a triangle will have 3 edges and a square will have 4 edges. Using this details we can form an equation.
3x + 4x = 8484
7x = 8484
x = 8484/7
  = 1212
Then
Number of square tiles = 1212/4
                                     = 303
So there are 303 square tiles in the box. I hope the procedure is clear enough for your understanding. You can always use this method for solving similar problems.
                                                      
5 0
3 years ago
Alistair has a rectangular picture measuring 8 inches by 7 inches. He makes a frame for the picture, shown by the shaded area in
nydimaria [60]
<span>You are given a rectangular picture measuring 8 inches by 7 inches. Also, Alistair wants this to be framed and that the total area is 34 square inches. The width of the frame is x inches. To solve the dimension of the frame with value of x we have:

We have to assume that x here will be equal to all sides of the frame and so, using the area of the rectangle, we can model the equation like this:
A = LW (where A is the area, L is the length and W is the width)
36 = (8 - x)(7 - x)
36 = 56 - 8x - 7x + x</span>²
<span>x</span>² - 15x +20 = 0 → model of our equation and in quadratic form

x² - 15x + 20 = 0
using a calculator, x = 1.48 inches
<span>
3.Use the equation you created in part A to find the width of the picture frame</span>
7 0
2 years ago
Solve the system using substitution. Show all work.
Brrunno [24]

Here is the answer I hope it helps

4 0
3 years ago
Simplify the expression . 7th grade pre algebra class ap
lesya [120]

Answer:tbh, that's impossible

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the value of Y! please help
Maurinko [17]

Answer:

y = 5.6

Step-by-step explanation:

Use Sine

Sine = \frac{opposite}{hypothenuse}

Sine 45 = \frac{y}{18}

Sine of 18 is 0.309

0.309 = \frac{y}{18}

Multiply 18 on both sides

0.309 x 18 = \frac{y}{18} x 18

5.562 = y

Round to the nearest tenth:

5.562 = 5.6

3 0
3 years ago
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