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2 years ago

5

Determine whether the triangles can be proved similar. If they are similar, write a similarity statement. If they are not simila

r, explain why.

1 answer:

Ierofanga [76]2 years ago

3 0

Answer: $\triangle XYZ \sim \triangle GFH$ by AA.

Step-by-step explanation:

Finding the third angle in triangle XYZ,

$m\angle YXZ=180^{\circ}-77^{\circ}-48^{\circ}=55^{\circ}$ ,

Thus, $\triangle XYZ \sim \triangle GFH$ by AA.

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Craig had p coins. Then he found 66 more coins in a drawer. Write an expression that shows how many coins Craig has now.

Elena L [17]

Craig had p coins. Then he found 66 more coins in a drawer. Write an expression that shows how many coins Craig has now.

p+ 66

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3 years ago

You accept a job as a marine biologist that pays a salary of $45,000 the first year. During the next 39 years, you receive a 5.5

melamori03 [73]

45000(1.055)^40=383980.89

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3 years ago

The owner of a motel has 2900 m of fencing and wants to enclose a rectangular plot of land that borders a straight highway. If s

navik [9.2K]

Answer:

Step-by-step explanation:

Given that the owner of a motel has 2900 m of fencing and wants to enclose a rectangular plot of land that borders a straight highway.

Fencing is used for 2times length and 1 width if highway side is taken as width

So we have 2l+w = 2900

Or w = 2900-2l

Area of the rectangular region = lw

$A(l) = l(2900-2l) = 2900l-2l^2\\$

Use derivative test to find the maximum

$A'(l) = 2900-4l\\A"(l) = -4$

So maximum when I derivative =0

i.e when $l =\frac{2900}{4} =725$

Largest area = A(725)

= $725(2900-2*725)\\= 1051250$

1051250 sqm is area maximum

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3 years ago

What is another way to write to 72- (-25) ?

Valentin [98]

Your answer would be 1, or 72+25.

What is happening in this case is a negative number is being subtracted from a positive. This means you are taking away a negative. The two negatives cancel each other out, and then it becomes you are adding a positive.

Another way I like to think about this is the two minus symbols combine together to form a plus sign.

Hope this helped!

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3 years ago

Read 2 more answers

Which of the following is true about the expression V3*2

likoan [24]

Answer:

B

Step-by-step explanation:

√3 is an irrational number, 2 is a rational number.

the product of this will be 2√3 in surds form, and when pressed into the calculator will provide you with an irrational answer.

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3 years ago