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mixer [17]
3 years ago
9

Evaluate the expression if a = 2, b = −3, c = −4, h = 6, y = 4, and z = −1.

Mathematics
1 answer:
scZoUnD [109]3 years ago
6 0

Step-by-step explanation:

Hope it helps. Please mark as brainliest.

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Sam is renting one of two cars to go on a 300-mile trip. The first car can travel 75 miles on 5 gallons of gas. The second car c
Doss [256]

Solution:

The first car can travel 75 miles on 5 gallons of gas.

So  per mile gas consumed by car=\frac{5}{75}=\frac{1}{15} gallon

The second car can travel 240 miles on 20 gallons of gas.

So  per mile gas consumed by car=\frac{20}{240}=\frac{1}{12} gallon

It mean Sam should rent the First car.

Sam is renting one of two cars to go on a 300-mile trip.

So total number of gallons of gas required=\frac{1}{15}*300=20

Total cost of 20 gallons of gas =\frac{49.42}{14}*20= 70.6 dollar

3 0
3 years ago
Adams sister want to watch her intake of fat per day.he estimate that the dinner will have 48grams of fat.what percentage of her
zaharov [31]
You have to figure out what 48 percent of 70 is.
Use the formula percent/of = x/100.
So, 48/70 and x/100 you cross multiply the numbers; 48*100 and 70*x and end up with 70x=4800.
Divide both sides by 70, which gives you 68.57.
Round the number up to 69 percent. 
4 0
3 years ago
Arjun has to pack 15,276 pastries into boxes of 6 pastries each. He has to pack all the pastries.
Musya8 [376]

Answer:

No, Arjun would need 2546 boxes

Step-by-step explanation:

Since he needs to pack 15,276 pastries into boxes of 6, this equation can be used to determine the amount of boxes needed. Hope this helps!

6 0
3 years ago
Find the value of y.<br><br> y= √?
geniusboy [140]

Answer:

y =

\sqrt{55}

7 0
3 years ago
Equation parallel to y = 3x + 2 and passing through (1, 1)
Kisachek [45]

Answer:

y = 3x - 2

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 3x + 2 ← is in slope- intercept form

with slope m = 3

Parallel lines have equal slopes, then

y = 3x + c ← is the partial equation

To find c substitute (1, 1) into the partial equation

1 = 3 + c ⇒ c = 1 - 3 = - 2

y = 3x - 2 ← equation of line

6 0
3 years ago
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