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Molodets [167]
3 years ago
15

Louie is trying to find a rectangular canvas for his art project. Its width must measure 20 inches and form a 35° angle with the

diagonal of the canvas. What is the height of the canvas? Round your answer to the nearest tenth.
11.5 inches
14.0 inches
16.4 inches
28.6 inches
Mathematics
1 answer:
Anastasy [175]3 years ago
8 0

Answer:

14.0 inches

Step-by-step explanation:

I took the quiz and got it right!

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Mr. Claussen needs a total of 15 pounds of ground beef to make hamburgers for a company picnic. He finds that 2 pounds of ground
Marat540 [252]

Answer: $33.00

Step-by-step explanation:

Given

Mr. Claussen needs 15 Pounds of ground beef

It is stated that 2 pounds of beef cost $4.40

Using unitary method

1 Pound cost  \frac{4.4}{2}=\$2.2

For 15 pounds it is

\Rightarrow 15\times 2.2=\$33

Thus, he has to spend $33 for 15 pound meat

6 0
3 years ago
An arch in the shape of the upper half of an ellipse is used to support a bridge that is to span a river 20 meters wide. The hei
MatroZZZ [7]

Title:

<h2>Check the explanation.</h2>

Step-by-step explanation:

The standard form of an ellipse is \frac{x^{2} }{a^{2} } + \frac{y^{2} }{b^{2} } = 1.

The span of the river is 20 meters. As per the given condition, y-axis will pass through the middle point of the river. That is why, the value of a will be \frac{20}{2} = 10.

Since the height of the arc is 6, the value of b is 6.

The equation of the arc will become \frac{x^2}{{10}^2} + \frac{y^2}{6^2} = 1.

8 0
4 years ago
What is a11. A12. A21. A22
Ierofanga [76]

Answer:

a_{11} =-1\\a_{12} =3\\a_{21} =5\\a_{22} =3/2\\

Step-by-step explanation:

2X-\left[\begin{array}{ccc}-4&8\\2&-2\end{array}\right] =\left[\begin{array}{ccc}2&-2\\8&5\end{array}\right]\\X=\frac{1}{2} (\left[\begin{array}{ccc}-4&8\\2&-2\end{array}\right] +\left[\begin{array}{ccc}2&-2\\8&5\end{array}\right])\\X=\frac{1}{2} (\left[\begin{array}{ccc}-4+2&8-2\\2+8&-2+5\end{array}\right] )\\X=\frac{1}{2} (\left[\begin{array}{ccc}-2&6\\10&3\end{array}\right] )\\X= (\left[\begin{array}{ccc}\frac{1}{2}(-2)&\frac{1}{2}(6)\\\frac{1}{2}(10)&\frac{1}{2}(3)\end{array}\right] )\\

X= (\left[\begin{array}{ccc}-1&3\\5&3/2\end{array}\right] )

a_{11} =-1\\a_{12} =3\\a_{21} =5\\a_{22} =3/2\\

8 0
3 years ago
Use the vertical line test to determine if y is a function of x in the given graph.
abruzzese [7]

Answer:

Yes.

Step-by-step explanation:

Two dots (or segments) on the vertical line would result in the graph not to be a function.

(see picture)

4 0
3 years ago
Read 2 more answers
Please help me! Thanks!
Lena [83]
Answer is 9

A(x)=f(b)-f(a)/b-a

where a=-10 b=10
f(x)= x^2+9x+18

f(a)=(-10)^2-90+18=28
f(b)=208
A(x)=208-28/10+10
A(x)=180/20=9
8 0
4 years ago
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