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andrew-mc [135]
2 years ago
6

PLEASE HELP ME ASAP 40 POINTS AND BRAINLIEST SHOW WORK

Mathematics
1 answer:
grin007 [14]2 years ago
6 0
X = 7 
Y = 16

Since we know that the bottom two sides are congruent we can make an equation to solve for that X first [2x + 5 = x + 12] .  (since we cannot make an equation with the two congruent sides at the top because there are different variables). 
Now that we've solved for X which is 7, we can plug it into the top equation [y - 4 = x + 5] which would simplify to [ y - 4 = 12] which would give us 16 for Y<span />
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Answer:

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Step-by-step explanation:

Remember the X, whatever is opposite to the given angle.

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The number of bats in a colony is growing exponentially. After 1 year, there were 70 bats. After 4 years, there were 560 bats. I
Veseljchak [2.6K]

Answer:

23040 bats

Step-by-step explanation:

Let N(t) be the number of bats at time

We know that exponential function

y = ab

According to question

N(t) = ab^{2}

Where t (in years)

Substitute t=2 and N(2)=180

180 = ab^{2}

Substitute t=5 and N(5)=1440

1440 = ab^{5}

Equation (1) divided by equation (2)

\frac{180}{1440} = \frac{ab^{2} }{ab^{5}} = \frac{1}{b\frac{5-2}{}}

By using the property

Substitute the values of b in equation (1)

Substitute t=9

Hence, after 9 years the expected bats in the colony=23040 bats

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2 years ago
(05.06 LC)The net of an isosceles triangular prism is shown. What is the surface area, in square units, of the triangular prism?
SashulF [63]

Answer:

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6 0
3 years ago
Follow the steps to find the area of the shaded region. 14 46 14
konstantin123 [22]

The area of the shaded region is 8.1838. The area of the shaded region is calculated by subtracting the area of the triangle from the area of the sector of the circle.

<h3>How to calculate the area of the sector?</h3>

The area of the sector of a circle with a radius 'r' and an angle of sector 'θ' is

A = (θ/360) πr² sq. units

<h3>How to calculate the area of a triangle with an angle?</h3>

The area of the triangle with measures of two sides and an angle between them is

A = 1/2 × a × b × sinC sq. units

Where a and b are the lengths of sides and ∠C is the angle between those sides.

<h3>Calculation:</h3>

It is given that,

The area of the sector shown in the diagram is 78.6794 cm² and the area of the triangle is 70.4956 cm².

Then to calculate the area of the shaded region, subtract the area of the sector and the area of the triangle. I.e.,

Area of the shaded region = Area of the sector - Area of the triangle

⇒ 78.6794 - 70.4956

⇒ 8.1838 cm²

Therefore, the required area of the shaded region is 8.1838 sq. cm.

Learn more about the area of a sector here:

brainly.com/question/22972014

#SPJ1

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1 year ago
The members of the Denham baseball teamsells tickets for a fundraiser. There are $5 child tickets and $20 adult tickets. Emilio
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Answer:

their Step-by-step explanation:

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