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Vikki [24]
2 years ago
10

PLEASE HELP RUNNING OUT OF TIME .!!! A boat designer plans to construct a triangular sail with base 90 centimeters and altitude

4 meters. The designer uses square centimeters to describe the amount of material needed for the sa
Which statement BEST describes the appropriateness of the unit the designer chose?
A
While the units are correct, a larger unit should be chosen
B
The units are incorrect because the units that should be used for the base is centimeters,
С
The units are correct and of a well-chosen size
D
The units are incorrect because the units that should be used for the altitude is meters.
Mathematics
1 answer:
Korolek [52]2 years ago
4 0

Answer:

b

Step-by-step explanation:

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True or False? A circle could be circumscribed about the quadrilateral below.
SVEN [57.7K]

Answer:

<em>The correct answer is:   False</em>

Step-by-step explanation:

<u>If the sum of the opposite angles in a quadrilateral is 180°</u>, then a circle can be circumscribed about the quadrilateral.

Here,  \angle B+\angle D= 110\°+90\° = 180\°

but,  \angle A+\angle C= 70\°+90\°= 160\°

So, a circle can't be circumscribed about the given quadrilateral.

7 0
2 years ago
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a(0.3−y)+1.1+2.4x (y−1.2) ​ =0 =−1.2(x−0.5) ​ Consider the system of equations above, where aaa is a constant. For which value o
Veseljchak [2.6K]

Answer:

For a = 1.22 there is one solution where y = 1.3

Step-by-step explanation:

Hi there!

Let´s write the system of equations:

a(0.3 - y) + 1.1 +2.4x(y-1.2) = 0

-1.2(x-0.5) = 0

Let´s solve the second equation for x:

-1.2(x-0.5) = 0

x- 0.5 = 0

x = 0.5

Now let´s repalce x = 0.5 and y = 1.3 in the first equation and solve it for a:

a(0.3 - y) + 1.1 +2.4x(y-1.2) = 0

a(0.3 - 1.3) + 1.1 + 2.4(0.5)(1.3 -1.2) = 0

a(-1) + 1.1 + 1.2(0.1) = 0

-a + 1.22 = 0

-a = -1.22

a = 1.22

Let´s check the solution and solve the system of equations with a = 1.22. Let´s solve the first equation for y:

1.22(0.3 - y) + 1.1 +2.4(0.5)(y-1.2) = 0

0.366 - 1.22y + 1.1 + 1.2 y - 1.44 = 0

-0.02y +0.026 = 0

-0.02y = -0.026

y = -0.026 / -0.02

y = 1.3

Then, the answer is correct.

Have a nice day!

4 0
2 years ago
Lois bought clothing at a store. She did not have enough in her bank account to pay for the purchase. After receiving the bill a
fomenos
<span>Lois used a credit card to make the purchase. 

One can't purchase an item that costs more than the balance in a debit card. The debit card is equivalent to cash on hand. You can only spend what you have. 

The credit card is equivalent to a loan. You don't have the money as of the moment but when you use the credit card, you owe the issuing bank the amount you've put on credit. The bank will pay the merchant and you will pay the bank. Interest is an additional expense when you pay your bill beyond the due date. The interest is applied on the amount outstanding upon the payment due date. </span>
8 0
2 years ago
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Name the postulate or theorem you can use to prove ∆ABD ≅ ∆CBD.
lozanna [386]
Hey there!

Triangle CBD is congruent to triangle ABD. This means that BD is congruent to BD by reflexive property. You have two congruent angles, and one congruent side. This would be AAS theorem. The answer is D.

I hope this helps!
5 0
2 years ago
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The cost to ride a ferris wheel is $2.00 per person. The ferris wheel has a capacity of 64 people. The amount of money collected
Stella [2.4K]

Answer:

The ferris wheel has a maximum capacity of 64, the domain is [0,64]

Step-by-step explanation:

Given in the question that,

the maximum number of people that can seat on the ferris wheel = 64

the minimum number of people that can seat on the ferris wheel = 0

Function to calculate the amount of money

M(p)=2p

Value of p can be any integer from zero to 64 so the domain of this function is

0 ≤ x ≤ 64

3 0
2 years ago
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