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Mila [183]
3 years ago
12

For one full week, Cheng spent $12.50 per day on lunch. Write a multiplication expression using integers to show the overall imp

act or change to the total amount of money he had budgeted for food expenses. Then determine and explain that amount.
Mathematics
1 answer:
grin007 [14]3 years ago
3 0
Answer is :a x 12.50= 87.5
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I must solve for y: x=1/3yz
7nadin3 [17]
X = 1/3 yz
3x = yz
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6 0
2 years ago
Do the ratios 42/56 and 56/64 form a proportion?<br> if they do explain your answer
Volgvan
Lets check...

42/56 = 56/64
cross multiply
(56)(56) = (42)(64)
3136 = 2688...(incorrect)...these are not proportional

proportions are nothing but equivalent fractions
42/56 = 3/4
56/64 = 7/8
as u can see, they are not equivalent fractions...so they are not proportional
4 0
3 years ago
Which expression is equivalent to the area of square A, in square inches?
VladimirAG [237]
One side of Square A is the hypotenuse of the white triangle.  The square of this hypo. is 24^2+10^2 = 576 + 100 = 676.  Since the square of the hypo is the area of Square A, Square A has the area 676 sq. in.

5 0
2 years ago
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Greta read a 900 pages book in 15 days, reading for 5 hours every day. How many pages did she read per hour
allsm [11]
First, let's find how many page's Greta read per day. She read a total of 900 pages across 15 days, so she read:

900 pages / 15 days = 60 pages/day

Now we can find how many pages she read per hour by dividing the 60 pages per day by 5 hours:

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8 0
3 years ago
Write a slope-intercept equation for a line perpendicular to f(x) = −2x + 4 and
Fittoniya [83]

Answer:

y =  \frac{1}{2} x + 1

Step-by-step explanation:

<u>Slope-intercept form</u>

y= mx +c, where m is the slope and c is the y-intercept

f(x)= -2x +4

Let's rewrite this function into an equation, in the slope-intercept form.

y= -2x +4

Slope= -2

The product of the slopes of perpendicular lines is -1.

Let the slope of the perpendicular line be m.

m(-2)= -1

m= ½

y= ½x +c

To find the value of c, substitute a pair of coordinates into the equation.

When x= -4, y= -1,

-1= ½(-4) +c

-1= -2 +c

c= -1 +2

c= 1

Thus, the equation of the line is y= ½x +1.

4 0
2 years ago
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