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irina1246 [14]
3 years ago
12

Can u PLEASE help with problem 3. and 4. (ONLY IF YOU KNOW)

Mathematics
1 answer:
Rina8888 [55]3 years ago
3 0
It would help if we were able to see the previous exercises to help you with these.
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Please help will mark brainly
xxMikexx [17]

Answer:

1 hour and 5 minutes

Step-by-step explanation:

Because Sam started cycling at 2:40 and he stopped cycling at 3:45 so cycled for 1 hour and 5 minutes its asking for total time cycling so its 1 hour and 5 minutes

8 0
3 years ago
Distributive pripert
VMariaS [17]
Distributive property is an algebra property that is used to multiply a single term and two or more terms inside parentheses. 
8 0
3 years ago
Solve this i dont know how to graph it pls tell<br><br>ASAP and i will give brainliest
Viktor [21]

Answer:

straight line through (0,4) and (2,0), shade everything above it

Step-by-step explanation:

First solve the equality, which will give you a straight line.

Then check if the inequality (the > sign) means you have to shade the area above or below it.

2x + y = 4 can easily be solved by first taking x=0, then you find y=4, hence (0,4) is a solution.

Then take y=0, then you find 2x = 4 so x=2, hence (2,0) is a solution.

Plot these two points and draw a line through them.

Now, since 2x+y has to be larger than 4, all the points to the right and above the line are valid. So that's the area you have to shade.

8 0
3 years ago
A camera shop purchases a camera for $56.98 and sells it for $102.56. What is the percent of markup?
Amiraneli [1.4K]

Answer:

180%

Step-by-step explanation:

Set up an equation:

Variable x = percent of markup

102.56/56.98 = x/100

Cross multiply

102.56 × 100 = 56.98 × x

10,256 = 56.98x

Divide both sides by 56.98:

179.99297.... = x

Round to nearest whole number:

180 = x

Check your work:

56.98 × 180%

Convert the percentage into a decimal:

56.98 × 1.80

102.564

Round to nearest cent:

102.56

Correct!

8 0
3 years ago
Assume that t varies jointly as r and q2². If t=320 when r=5 and q = 4, what is the value of q when r= 1 and t= 196?
Harrizon [31]

Step-by-step explanation:

t = k(r)( {q}^{2} )

320 = k(5)( {4}^{2} )

320 = 80k

k = 4

196 = 4(1)( {q}^{2} )

49 =  {q}^{2}

q = 7

4 0
3 years ago
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