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3 years ago

Could I get help with number 19 please

Mathematics

1 answer:

Alexxandr [17]3 years ago

5 0

Equation: 30w
Sorry can't graph but you would make the x axis go by 1and y by 30. Ex- (1,30) (2,60)..
And the last question u would divide 30 into 270
Hope I helped!:)

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X~4y=11 , 5x~7y=~10 system of equation using elimination to solve

tino4ka555 [31]

1x + 4y = 11 ⇒ 5x + 20y = 55
5x - 7y = -10 ⇒ 5x - 7y = -10
 27y = 65
 27 27
 y = 2¹¹/₂₇
 x + 4(2¹¹/₂₇) = 11
 x + 8²²/₂₇ = 11
 - 8²²/₂₇ - 8²²/₂₇
 x = 2⁵/₂₇
 (x, y) = (2⁵/₂₇, 2¹¹/₂₇)

3 0

2 years ago

Find the sum of 1

Pavel [41]

Answer:

2/10 + 7/10

9/10

Step-by-step explanation:

I did the test.

4 0

2 years ago

Read 2 more answers

the probability that a twelve year old has a brother or sister is 25%. suppose you survey 300 twelve year olds. about how many d

Genrish500 [490]

Answer:

n(B U S) = 75

Step-by-step explanation:

Explanation:-

Probability:-

P(E) = $\frac{number of elements events in E}{total number of elementary events in the random experiment}$

$P(E) = \frac{m}{n}$

Let 'B' be the event of having twelve year old brother

Let 'S' be the event of having twelve year old sister

given data P(BUS) = 0.25

given total survey n(survey) = 300

we have to find the value is n(BUS) =?

we will use probability definition we get, P( BUS) = $\frac{n(BUS)}{n(survey)}$

substitute given values, we will get solution

$0.25 = \frac{n(BUS)}{300}$

after cross multiplication , we get

n(BUS) = 0.25 X 300

n(BUS) = 75

3 0

3 years ago

HELP FAST pls pls pls pls

antiseptic1488 [7]

Answer:

Stretch and shrink the graph of a function. To stretch or shrink the graph in the y direction, multiply or divide the output by a constant. 2f (x) is stretched in the y direction by a factor of 2, and f (x) is shrunk in the y direction by a factor of 2 (or stretched by a factor of ).

Step-by-step explanation:

hope this helps!

3 0

2 years ago

Find the value of the underlined digit 6,035 and the 3 is underlined

r-ruslan [8.4K]

30 is the value of the 3 in 6035

4 0

2 years ago