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den301095 [7]
3 years ago
6

Evaluate ab+3b-a-5ab+2b if a= -3 and b=2

Mathematics
1 answer:
Paha777 [63]3 years ago
4 0
Replace all variables in the given equation with the given values.

-6+6+3+30+4

Answer: 37
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Find the distance from A to C across the gorge illustrated in the figure
emmasim [6.3K]

Applying the tangent ratio, the distance from A to C across the gorge, is:  60.6 ft.

<h3>What is Tangent Ratio?</h3>

The tangent ratio for solving a right triangle is given as, tan ∅ = opposite/adjacent.

Given the following:

  • ∅ = 25°
  • Adjacent length = 130 ft
  • Opposite length = AC

Apply the tangent ratio:

tan 25 = AC/130

AC = (130)(tan 25)

AC = 60.6 ft

Learn more about the tangent ratio on:

brainly.com/question/4326804

#SPJ1

4 0
2 years ago
Find the missing measurement. Round your answer to the nearest tenth. *
wariber [46]

Answer:

For the first image, the answer should be C) 11 ft.

For the second image, the answer should be C) 6 mi.

For the third image, the answer should be C) 6.9 m^2

Step-by-step explanation:

First image explaination: To get the area of a rectangle you would multiply length times width. 7 times 11 is the area given: 77- so the answer should be 11 ft.

Second image explaination: Divide 11.4 by 1.9.  

Third image explaination: Divide 41.4 by 6.

5 0
2 years ago
One angle of atriangle measures 12 degrees. the second angle's measurements is five times the third. what is the measure of the
andrezito [222]
28 degrees. This is because the first angle is 12 degrees, the third is x degrees and the second is 5x. You know that in a triangle the angles add up to 180 degrees so 12 + 5x + x = 180. Then you get 6x =168 and x =28 degrees. (**x being the thrid angle**)
8 0
3 years ago
A 25 foot ladder is leaning against a house. It makes a 75 degree angle with the ground. How far is the base of the ladder from
Oduvanchick [21]
Look at the picture.

\cos 75^\circ =\frac{x}{25} \\&#10;25 \cos 75^\circ = x \\&#10;25 \times 0.2588 \approx x \\&#10;x \approx 6.47

The base of the ladder is 6.47 feet from the house.

4 0
3 years ago
PLEASE PLEASE HELP the question is below
fiasKO [112]

Answer:

24

Step-by-step explanation:

First do parenthesis:

3*(9+1)-6 -> 3*(10)-6

Then do multiplication:

3*(10)-6 -> (30)-6

Then complete it with subtraction:

(30)-6 -> (24)

So your answer would be 24!

PEMDAS= Parenthesis, Exponents, Multiplication, Division, Add, Subtract.

7 0
3 years ago
Read 2 more answers
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