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4 years ago

12

Austen has 6 sets of 10 baseball cards Tim has three sets of 10 baseball cards how many baseball cards do they have anal

1 answer:

EastWind [94]4 years ago

5 0

90. To get to this answer, you would multiply 6 X 10 and 3 X 10. You would then add the products: 60 + 30 = 90.

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(+8) + (-9) <br> Equal what ??

Tanzania [10]

(+8)+(-9)
the answer is -1

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3 years ago

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The domain of a composite function (fog)(x) is the set of those inputs x in the domain of g for which g(x) is in the domain of f

Gelneren [198K]

True, the correct answer is true.

4 0

3 years ago

You are knitting a blanket. You want the area of the blanket to be 24 feet squared . You want the length of the blanket to be 2

Sauron [17]

Think of it this way: x multiplied by a number that is two more than x is y.
So, look at the factors. 3 and 8 wouldn't work, because 8 is 5 longer than 3. 1 and 24 wouldn't work, because 24 is 23 more than 1. 12 and 2 is also not going to work; 12 is 10 more than 2. What you have left is 4 and 6. 6 is 2 more than 4, and they both multiply to get 24.

So, the correct answer is 6 feet long and 4 feet wide.

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3 years ago

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Consider the functions f(x)=x^2+9x and g(x)= 1/x .

Vikentia [17]

f(g(-1))=-8

g(f(1/2))=4/19

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3 years ago

Kristen is 64 inches tall, and she stands 12 feet away from a streetlight. If she casts an 82-inch-long shadow, how tall is the

o-na [289]

Answer:

176.39 inches or

14.70 feet

Step-by-step explanation:

Consider the right triangle made by Kristen, ground and shadow.

This triangle has one leg as 64 inches.

Next consider the right triangle formed by street light, ground upto shadow tip.

The two triangles have common angle of elevation and also another angle as 90 degrees.

Hence the two triangles would be similar

Also if A is the angle made by hypotenuse of both triangles with the ground we have

$tanx=\frac{64}{82}$

This value also equals by bigger triangle as

$tanx=\frac{h}{82+12(12)}=\frac{h}{226}$

From these two we get

h = height of street light = $\frac{226(64)}{82} =176.39$

6 0

3 years ago