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BlackZzzverrR [31]
3 years ago
13

If there are 220 members of the 7th grade, then how many students can be expected to prefer the zoo?

Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0

66 students can be expected to prefer the zoo.

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What is the value of x
valkas [14]
X=15
According to a therom what’s its name *not actual name any triangle divided by parallel lines are proportional so.


X/5=x-6/3

You cross multiply
3x=5x-30

Then solve
3x=5x-30
-5x -5x
-2x=-30
-2x/-2= -30/-2
x=15
4 0
3 years ago
Two walls of a canyon form the walls of a steady flowing river. From a point on the shorter wall, the angle of elevation to the
Sunny_sXe [5.5K]

Answer:

x is approximately 226.3 feet

y is approximately 308.6 feet

z is approximately 226.3 feet

Step-by-step explanation:

The given parameters of the walls are;

The angle of elevation from the top of the shorter wall to the top of the opposing wall, θ₁ = 20°

From the diagram, the angle of depression from the top of the shorter wall to the bottom of the opposing wall, θ₂ = 45°

The distance from the bottom of the shorter wall to the base of the opposing wall, l = 320 feet

x = The height of the shorter wall = l × sin(θ₂)

∴ x = 320 feet × sin(45°) = 320 feet × (√2)/2 = 160·√2 feet ≈ 226.3 feet

∴ x ≈ 226.3 feet

By observation, we have;

y = x + z × tan(θ₁)

Where;

z = l × cos(θ₂)

∴ y = 160·√2 + 320 × cos(45°) × tan(20°) ≈ 308.6

y ≈ 308.6 feet

z =  l × cos(θ₂)

∴  z = 320 × cos(45°) = 160·√2 ≈ 226.3

z ≈ 226.3 feet.

6 0
3 years ago
If one eigth pound of uncooked rice makes one serving how many servings are in a fifteen pound bag of rice
insens350 [35]
120 Servings, because 1 / 8 gets the decimal of one serving (0.125),
Then 15 / 0.125 = 120.

Hope this helps.
3 0
3 years ago
A tree casts a shadow 12 meters long , while a bush nearby casts a shadow 3.5 meters long. If the tree is 3.2 meters tall, how t
Lynna [10]
X = height of bush
12/3.5 = 3.2/x  [cross multiply]
(12)(x) = (3.2)(3.5)
12x = 11.2 [Divide 12 on both sides]
x = 0.93 m

The height of the bush is 0.93 meters. 
Best of luck. 
6 0
4 years ago
The expression x2 - 10x + 24 is equivalent to (1) (x + 12)(x - 2) (3) (x + 6)(x + 4) (2) (x - 12)(x + 2) (4) (x - 6)(x - 4)
Oksi-84 [34.3K]

Answer:

D) (x-6)(x-4)

Step-by-step explanation:

(x-6)(x-4)=x^2-6x-4x+24=x^2-10x+24

3 0
3 years ago
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