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Nikolay [14]
3 years ago
13

Rose can make 5 3/4 bookmarks in one hour . How many bookmarks can she make in 3 1/2 hours

Mathematics
1 answer:
kari74 [83]3 years ago
7 0

Answer:

I haven't done that type of math in a while but I cam up with 21 bookmarks

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B=?<br> Angle A=?<br> Angle B=?
babunello [35]

1.) Solve for length b.

The simpler method is to use the Pythagorean theorem. If a^2 - b^2 = c^2, then this means that c^2 - a^2 = b^2.

Plug in the values:

11^2 - 7^2 = b^2

--> 121 - 49 = 72

So this means that b is the square root of 72, which is 8.49

2.) Solve for ∠A.

Let's refer to the law of sines. If \frac{a}{sin(A)} = \frac{c}{sin(C)}, then this means we can cross multiply. Since A is the value we are solving for, the equation should be written out like this:

A = sin^-1(\frac{sin(C) * a}{c})

--> A = sin^-1(\frac{sin(90) * 7}{11})

A is 39.52°

3.) Solve for ∠B.

This is the easiest one. The sum of all three angle measures in a triangle add up to 180°. We already know that one of the angles is a right angle and the other 39.52°.

39.52 + 90 = 129.52

180 - 129.52 = 50.48

∠B is 50.48°.

6 0
3 years ago
Maha has two colors of modeling clay. She has 1.05 ounces of blue modeling clay and 1.3 ounces of red modeling clay. Which color
Nady [450]

Answer:

Maha has of red clay

Step-by-step explanation:

Here we want to know the color of modeling clay that Maha has more of

Since 1.3 is greater than 1.05; This mens;

the small has will be;

1.3 ounces of raw

3 0
3 years ago
A convention center is in the shape of a rectangular pyramid with a height of 332 m. Its base measures 475 m by 571 m. Find the
Arlecino [84]

Answer:

30,015,566.7 m³ OR 3.0 x 10⁷ m³

Step-by-step explanation:

The formula for finding the volume of a rectangular pyramid is:

V = lwh/3

where l = length

w= width

h = height

(475)(571)(332)/3 = 30,015,566.7 m³ = 3.0 x 10⁷

4 0
3 years ago
If there is 6 pictures in a bag what is the probability if she pulled out of the bag a total if 20 times
Musya8 [376]
Is going to be a total of 120 times because there is 6 picture in a bag
8 0
3 years ago
I CAN BE MARKING YOU BRAINLIST. At a bowling alley, 4 out of 13 bowlers bowled a strike during their game. Use this information
Fantom [35]

you can easily solve it by equating the fractions 4/13 and x/91

here, we suppose x as the number of people who can bowl.

4/13=x/91

or, 4/13×91=x (divide 91 by 13)

or, x=4×7

therefore, x=28

easy peesy lemon squeezy ;-)

4 0
3 years ago
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