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3 years ago

Caden buys 3.9 pounds of grapes that cost $1.80 per pound. Which expression can be used to find the total cost of the grapes ?

Mathematics

1 answer:

Ilya [14]3 years ago

4 0

Answer:

1.80 times 3.9

Step-by-step explanation:

to find the total cost of grapes, you need to multiply 1.80 and 3.9, which is $7.02.

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Jordan will hike a 10 mile trail at a rate of 2 mi/h. Write a linear equation to represent the distance of the trail that Jordan

Lesechka [4]

Answer:

y = 10 -2x; 10 is the length of the trail

Step-by-step explanation:

Jordan's remaining distance starts at 10 miles, and decreases 2 miles each hour:

y = -2x +10

The y-intercept is the length of the trail.

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2 years ago

What is the y intercept for y = -4x + 19 y = 2x + 1

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$y=mx+b\\\\m-slope\\b-y\ intercept\\\\y=-4x+\boxed{19}\to\ y\ intercept\ is\ 19\to(0;\ 19)\\\\y=2x+\boxed{1}\to\ y\ intercept\ is\ 1\to(0;\ 1)$

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2 years ago

What is the common factors of 7 and 11?

dmitriy555 [2]

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3 years ago

The circumference of the top rim of the cone shaped paper cut is 7.87 inches. Find the least amount of paper that can for a cone

Montano1993 [528]

Answer:

14.55 square inches

Step-by-step explanation:

From the figure it is given that,

The circumference of the top rim of a cone shaped paper cut = 2πr = 7.87 inches

The slant height is l = 3.7 inch

Therefore the least amount of paper which can form a cone shaped cup is the surface area of the cone.

The surface area of the cone is given as :

$A=\frac{2 \pi r l}{2}$

$A=\frac{(2 \pi r) (l)}{2}$

$A = \frac{(7.87) \times (3.7)}{2}$

$A=\frac{29.119}{2}$

A = 14.55 square inches

Amount of paper required = 14.55 square inches

6 0

3 years ago

Consider a box that contains 14 red balls,12 blue balls,and 9 yellow balls.A ball is drawn at random and the color is noted and

allochka39001 [22]

Answer:

a. The probability of both balls are blue is $\frac{144}{1225}$ .

b. The probability of getting first red and second yellow ball is $\frac{18}{175}$ .

Step-by-step explanation:

It is given that the box contains 14 red balls,12 blue balls,and 9 yellow balls. The total number of balls is

$14+12+9=35$

The probability is defined as

$p=\frac{\text{Favorable outcomes}}{\text{Total number of outcomes}}$

Probability of getting red ball = $\frac{14}{35}$

Probability of getting blue ball = $\frac{12}{35}$

Probability of getting yellow ball = $\frac{9}{35}$

It is given that a ball is drawn at random and the color is noted and then put back inside the box. It means first event will not effect the probability of second event.

The probability of both balls are blue is

$\frac{12}{35}\times \frac{12}{35}=\frac{144}{1225}$

The probability of getting first red and second yellow ball is

$\frac{14}{35}\times \frac{9}{35}=\frac{18}{175}$

6 0

3 years ago

Read 2 more answers