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2 years ago

9

NUMBER & OPERATIONS - FRACTIONS Week 1 THURSDAY Write the equation for each problem. 1. 4 friends want to share 10 boxes of

cookies equally. How many boxes of cookies shoul each friend get?

1 answer:

Lunna [17]2 years ago

6 0

Answer:

10/4= 2.5 boxes for each friend

Step-by-step explanation:

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Susan tips at the rate of $75 to 5 waiters. How many waiters will she be tipping,if she can afford $90 tip?

mash [69]

She would be able to tip 7 waiter if she has enough money left over to tip the 7 waiters.
hope this helped have a nice day:)

8 0

3 years ago

A box with a volume of 40 cubic inches holds 10 balls. A box with a volume of 60 cubic inches holds 15 of the same kinds of ball

lesya692 [45]

Pretend these are coordinates that you can use to find the slope of the line.
(10, 40) and (15, 60). Fit these into the slope formula to find the slope of the line you are looking for:
$m= \frac{60-40}{15-10}$ and the slope is 4. Now use one of the points and the slope of 4 to solve for b, the y-intercept:
40 = 4(10) + b so b = 0. The equation of the line then is y = 4x + 0 or just
y = 4x

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3 years ago

Giselle works as a carpenter and as a blacksmith. She earns $ 2 0 $20dollar sign, 20 per hour as a carpenter and $ 2 5 $25dollar

dem82 [27]

She worked as a carpenter for 12 hours and as a blacksmith for 18 hours.

Assuming you mean she earned $20 as a carpenter and $25 as a blacksmith per hour, with a total of 30 hours for $690,
let c represent carpenter hours and b for blacksmith hours.

20c + 25b = 690
c + b = 30
Subtract b from each side so that c = 30 - b
Plug this value into the first equation

20(30 - b) + 25b = 690
600 - 20b + 25b = 690
600 + 5b = 690
5b = 90
b = 18

To find c, plug this value of b into the other equation
c + 18 = 30
c = 12

3 0

3 years ago

Read 2 more answers

For an angle θ with the point (−5, −12) on its terminating side, what is the value of cosine?

viva [34]

Answer:

option C. $-\frac{5}{13}$

Step-by-step explanation:

we have that

The point (-5,-12) belong to the III quadrant

so

The value of the cosine is negative

Applying the Pythagoras Theorem

Find the value of the hypotenuse

$h^{2}=5^{2}+12^{2}\\ h^{2} =25+144\\ h^{2}=169\\h=13\ units$

The value of cosine of angle θ is the ratio between the side adjacent to angle θ and the hypotenuse

$cos(\theta)=-\frac{5}{13}$

8 0

3 years ago

the points (4,-4) and (4,-6) lie on a circle with the radius of 1. what is the center point of the circle

ycow [4]

The centre point is given by;
$( \frac{ x_{2}+ x_{1} }{2} , \frac{ y_{2} + x_{1} }{2} )$
= $( \frac{4+4)}{2} + \frac{-4+(-6)}{2} )$
= $( \frac{8}{2} , \frac{-10}{2} )$
=(4, -5)

7 0

3 years ago