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alexandr1967 [171]

2 years ago

3

Tiyanna received 90 votes for class sweetheart. The amount of votes she received were 30 more than 4 times the amount that Domin

ique . Write and equation that demonstrates the relationship between the amounts Tiyanna and Dominique received.

1 answer:

MrRa [10]2 years ago

4 0

Answer:

30x4

Step-by-step explanation

the answer is 120

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A survey of the men in a certain town showed that 40% of the men have blond hair and 18 % of them have blond hair and blue eyes.

bezimeni [28]

Answer:

18 percent

Step-by-step explanation:

6 0

2 years ago

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A batch of 500 machined parts contains 10 that do not conform to customer requirements. Parts are selected successively, without

sveticcg [70]

Question:

For the following exercise, determine the range (possible values) of the random variable. A batch of 500 machined parts contains 10 that do not conform to customer requirements. Parts are selected successively, without replacement, until a nonconforming part is obtained. The random variable is the number of parts selected.

Answer:

Possible values are all integers from 1 to 491.

{1,2,...........491}

Step-by-step explanation:

Given:

Total number of machined parts = 500

Number that do not conform to customers requirements = 10

Number that conforms to customers requirements = 500 - 10 = 490

Since, parts are selected successively, without replacement, until a nonconforming part is obtained, the range of the random variable (number of parts selected) here will be all integers from 1 to 491 ie {1,2,...........,491}.

Here, we have a total of 490 conforming parts, and 10 non conforming parts, there must be a non-conforming part among 491 selections, considering the fact that total number of parts are 500

7 0

2 years ago

Which model represents the factors of 4x2 – 9?

GREYUIT [131]

The factors of 4 x² - 9 :
4 x² - 9 = ( 2 x - 3 ) · ( 2 x + 3 )
We have to use the formula for the difference of squares:
a² - b² = ( a - b ) · ( a + b )

3 0

2 years ago

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8 kg of potatoes and 5 kg of carrots cost $28 whereas 2 kg of potatoes and 3 kg of arrot cost $11.20.what is the cost of 1 kg of

Vladimir79 [104]

I hope this helps....

let one kg of potatoes be x
let one kg of carrots be y
8x + 5y = 28
(4) 2x + 3y = 11.2 (4)
8x + 12y = 44.8

7y = 16.8
y=2.4
x=2

7 0

2 years ago

Wendy jogs a 5.5-mile route in the city with her running club once a week. She also jogs a nature trail near her home once a wee

insens350 [35]

Answer:

Wendy jogs 13.75 mile in all each week

Step-by-step explanation:

To determine how many miles Wendy jogs in all each week,

we will sum the distance she jogs in the city with her running club in a week to the distance she jogs along the nature trail near her home in a week.

The distance she jugs with her running club = 5.5 mile.

Now, we will determine the distance of the nature trail near her home.

From the question, the nature trail is 1.5 times as long as the route in the city.

Let the distance of the nature trail = $x$

and the distance of the route in the city be $y$

Hence, we can write that

$x = 1.5 y$

distance of the route in the city, $y$ = 5.5 mile

∴ $x = 1.5 \times 5.5$

$x =$ 8.25 miles

Hence, the nature trail is 8.25 mile

Then, the number of miles Wendy jogs in all each week is

5.5 mile + 8.25 mile = 13.75 mile

Hence, Wendy jogs 13.75 mile in all each week

5 0

2 years ago