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kramer
2 years ago
12

In a savings canister, Tom has a total of $2.85 in pennies and quarters. If the number of pennies Tom has in 5 more than three t

imes thee number of quarters , how many pennies and quarters does he have in the can
Mathematics
1 answer:
Veronika [31]2 years ago
4 0

Answer:

$69 i think im not smart

Step-by-step explanation:

You might be interested in
What is the inverse of the function below?
vodomira [7]

Answer: C

Step-by-step explanation: With inverse equations, you switch y and x (y=f(x)) and undo/reverse the steps towards x.

1. Multiply by 3

2. Add 2

Equation by itself

0. x

1. 3(x)

2. 3(x+2)

8 0
3 years ago
Read 2 more answers
Suppose P(C/D)=0.34, P(D)=0.11 , and P(D/C)=0.09. What is P(C) rounded to two decimal places?
Olegator [25]

So C/D=.34 And D=.11, now just plug D into the first equation.

C/.11=.34 Divide by .11

C=3.09090909

Now this rounded two decimal places is 3.09!

Hope this helps

3 0
2 years ago
Read 2 more answers
a guy wire for a tree is 20 ft long, making a 21 angle with the ground. How far is the base of the tree from a stake anchoring t
evablogger [386]

Answer:

18.7 feet far

Step-by-step explanation:

Based on the information given we can conclude that our set up will be a Right triangle (i.e. one angle is 90°), where the hypotenuse will be denoted by the guy wire of 20ft  and angle of 21° is the angle formed between then hypotenuse and the base (i.e. ground).

Thus we want to find the base length (lets call it x ) of this triangle, so we can use trigonometry as we have one angle and the hypotenuse, as follow:

cos(21)=\frac{adjacent side}{hypotenuse}=\frac{baselength}{guywire}\\\\ cos(21)=\frac{x}{20} \\x=20cos(21)\\x=18.671\\x=18.7ft

So the base is approximately 18.7 feet far from the tree of the anchored wire.

8 0
3 years ago
Carlos can print a document on an Apricot printer in 4.5 minutes. How long would it take him to print the same document on a sur
yawa3891 [41]

see the attached figure to better understand the problem

Step 1

<u>Find the number of pages printed  on an Apricot printer </u>

we know that

The speed of an Apricot printer is 8ppm

so

in 4.5 min

Carlos print

4.5*8=36 pages

step 2

<u>Find the time it takes Carlos to print the same amount of documents on a sure fire printer printer</u>

we know that

The speed on a sure fire printer is 12ppm

so

Divide the total of pages by the speed of the printer

36/12=3 minutes

therefore

<u>the answer is</u>

3 minutes

8 0
3 years ago
I need help with this problem ASAP!
Karo-lina-s [1.5K]

Form a right angle triangle joining both given points to the origin, we get:

Perpendicular = 2 ( distance is always positive)

Base = 4 ( same logic)

Applying Pythagorus theorem

Hypotenuse = root of ( perpendicular squared + base squared)

Hypotenuse = root of 20 = 2 * root 5

Using x instead of theta

Sin x = perpendicular/hypotenuse

Cos x = base/hypotenuse

Sin x = -1/ root 5

Cos x = -2/ root 5

High probability of this answer being wrong.

Double check recommended.

4 0
3 years ago
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