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mestny [16]
2 years ago
10

80km is 9% of what distance?

Mathematics
1 answer:
seropon [69]2 years ago
3 0

Answer:

  888.89 km

Step-by-step explanation:

Write the given question as an equation and solve.

  80 km = 0.09 × (what distance)

  (80 km)/0.09 = what distance . . . . . divide by the coefficient of the variable

  888.89 km ≈ what distance

80 km is 9% of 888.89 km

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For each container of tea, McKenzie uses 16 tea bags and 3 cups of sugar. If McKenzie uses 64 tea bags, how many cups of sugar w
cestrela7 [59]
So tis is a ratio  16 is to 3 or 16:3
if use 64 tea bags then how many cups of sugar so
turn 16:3 into fraction
16:3=16/3 or 3/16, it doesn't matter
then you want to find 64:x or 64/x or x/64

we know that 16/3=64/x because it tis an equivalent ratio
so 16/3=64/x
multiply both sdies by (3 times x)
16 times x times 3/3=64 times 3 times x/x
16 times x=64 times 3
16x=192
divide both sdies by 16
x=12
theanswer is 12 cups of sugar
5 0
3 years ago
what is 4.6 rounded ? what is 0.5 rounded? what is 4.5 rounded? what is 5.5 rounded? what is 0.6 rounded?
mr Goodwill [35]

Answer:

4.6 is 5 , 0.5 is 1,  4.5 is 5, 5.5 is 6 and 0.6 is 1

Step-by-step explanation:

If the second digit after the decimal is 5 or high you round it up

5 0
3 years ago
Read 2 more answers
Simplify the expression:<br> 2a+4b=9c
fomenos

Answer:

a=\frac{9c}{2}-b

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

4 0
2 years ago
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Identify the equation in slope-intercept form for the line containing the point (0,7) and perpendicular to y=−5/4x+11/4.
g100num [7]

Answer:

4/5x + 7

Step-by-step explanation:

the slope-intercept form is y = ax+b

a is the slope, to figure it out the line is perpendicular to y = -5/4x+11/4

There is a rule said if two lines are perpendiculars, the multiplication of their slopes = -1, so -5/4 * a = 1, solve for a = 4/5

b is the intercept to get it use the point (0,7)

so y = 4/5x+b, 7 = 4/5 * 0 + b,  then b = 7

4 0
2 years ago
Can someone help me with this problem? I dont really understand it.
Allushta [10]
OH I KNOW I KNOW TEACHER. its its wait im in middle school what the heck am i doing in here.
4 0
3 years ago
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