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zzz [600]
2 years ago
11

Evaluate: x(y – 5) for x = 2 and y = 7

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
4 0

Answer:

4

Step-by-step explanation:

2(7-5)=4

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I SWEAR PLS SOMEONE HELP ME W THIS
stepladder [879]

Answer:

m = 4/1 (4)

b = -5

equation = y = 4x-5

3 0
2 years ago
A camper wants to know the width of a river. From point A, he walks downstream 60 feet to point B and sights a canoe across the
Anarel [89]
<h2>Hello!</h2>

The answer is:

The correct option is:

D. 40 feet.

<h2>Why?</h2>

To solve the problem and calculate the width of the river, we need to assume that the distance from A to B and the angle formed between that distance and the distance from A to the other point (C) is equal to 90°, meaning that we are working with a right triangle, also, we need to use the given angle which is equal to 34°. So, to solve the problem we can use the following trigonometric relation:

Tan\alpha =\frac{Opposite}{Adjacent}

Where,

alpha is the given angle, 34°

Adjacent is the distance from A to B, which is equal to 60 feet.

Opposite is the distance from A to C which is also equal to the width of the river.

So, substituting and calculating we have:

Tan(34\°) =\frac{Width}{60ft}

Width=60ft*Tan(34\°)=60ft*0.67=40.2ft=40ft

Hence, we have that the correct option is:

D. 40 feet.

Have a nice day!

6 0
3 years ago
Read 2 more answers
Write the following rate as a simplified fraction 55 dogs to 75 cats​
denis23 [38]

Answer:

11/15

Step-by-step explanation:

Divide both the numerator and denominator by the GCD

55 ÷ 5

75 ÷ 5

=11/15

:)

4 0
3 years ago
Read 2 more answers
Which of the following can be sides of a triangle
sveticcg [70]

Answer:

See below

Step-by-step explanation:

Fact: The sum of two shortest sides must be greater than the longest side.

1.    6, 10, 8;   6 + 8 = 14; 14 > 10; This is a triangle.

2.  46, 24, 21;  24 + 21 = 45; 45 < 46;  This is not a triangle.

3.  23, 35, 10;   23 + 10 = 33; 33 < 35;  This is not a triangle.

4.  8, 9, 17;        8 + 9 = 17; 17= 17; This is not a triangle.

5 0
3 years ago
How do I solve this
igomit [66]
The area of a circle is pi*r^2=a since we know the diameter is 24 and radius is half the diameter the r=12 so the area of the half circle = 1/2*pi*12^2 and the area of the square is simply base*height = 24*24 then the area with the missing portion must be 24*24-1/2*pi*12^2 = 576-72pi= approximately 349.8cm


4 0
3 years ago
Read 2 more answers
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