3 years ago

Will the side lengths 11,20,35 form a triangle??

Mathematics

1 answer:

Mariana [72]3 years ago

8 0

Answer:

No, because sum of two sides smaller than third side

Step-by-step explanation:

11 + 20 < 35

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Find the slope of a line that passes through the following points<br> (-1,-5), (3,-3)

svet-max [94.6K]

Answer:

$m=\frac{1}{2}$

Step-by-step explanation:

defition of slope(m) of a line:

$m=\frac{Y_b-Y_a}{X_b-X_a}$

A=(-1,-5)=(Xa,Ya) then Xa= -1 and Ya= -5

B=(3,-3)=(Xb,Yb) then Xb=3 and Yb= -3

$m=\frac{-3-(-5)}{3-(-1)} \\\\m=\frac{-3+5}{3+1} \\\\m=\frac{2}{4} \\\\m=\frac{1}{2}$

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2 years ago

One angle of a triangle measures 65°. The other two angles are in a ratio of 3:20. What are the measures of those two angles?

Nataly_w [17]

Answer:

15° and 100°

Step-by-step explanation:

$65 + 3x + 20x = 180$

$23x = 115$

$x = 5$

3 × 5 = 15, 20 × 5 = 100. So the other two angles measure 15° and 100°.

3 0

2 years ago

The length of a rectangle is 4 units less than the width. The area of the rectangle is 21 units. What is the length, in units, o

bazaltina [42]

The formula of an area of a rectangle:

A = wl

We have l = w - 4 and A = 21.

Substitute:

w(w - 4) = 21 <em>use distributive property</em>

(w)(w) + (w)(-4) = 21

w² - 4w = 21 <em>subtract 21 from both sides</em>

w² - 4w - 21 = 0

w² - 7w + 3w - 21 = 0

w(w - 7) + 3(w - 7) = 0

(w - 7)(w + 3) = 0 ↔ w - 7 = 0 ∨ w + 3 = 0

w = 7 ∨ w = -3 < 0

l = w - 4 → l = 7 - 4 = 3

<h3>Answer: the length = 3 u.</h3>

4 0

3 years ago

A ruby throated hummingbird beat its wings about 53 times each second about how many times does a ruby throated hummingbird beat

Sergeeva-Olga [200]

You would cross multiply 53 times 5 and divide by 1

3 0

3 years ago

QUESTION 94

sattari [20]

Answer: 34.3%

Step-by-step explanation:

$Given:\ 12/35\ flights\ on\ time$

To find the percent, divide then multiply by 100:

$\frac{12}{35} = 0.343\times100=\large\boxed{34.3}$

4 0

2 years ago