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2 years ago

zoe and Hannah share tips in the ratio 3:7 last week zoe recived £24 how much did hannah recieve last week

Mathematics

2 answers:

Reil [10]2 years ago

7 0

Answer:

Step-by-step explanation:

The ratio is 3:7, so to get Hannah's amount you need to double what Zoe got (3 doubled is 6) then add 1 third of her original amount (1 third of 3 is 1, 3x2+1=7). 1 third of 24 is 8, so the answer is 24x2+8 which is 56. Sorry if the explanation isn't great, I'm not the best at explaining.

VladimirAG [237]2 years ago

3 0

Answer:

Step-by-step explanation:

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The solutions to a quadratic equation are x = 2 and x = 7. If k is a nonzero constant, which of the following must be equal to t

Serggg [28]

ANSWER

The correct option is,
$k(x - 2)(x - 7) = 0$

EXPLANATION

We were given that the solutions of the quadratic equation are
$x = 2$
and
$x = 7.$

This tells us that,

$x - 2$

and
$x - 7$

are factors of the quadratic equation.

This implies that the quadratic equation is of the form,

$(x - 2)(x - 7) = 0$

We were also told that

$k$

is a non zero constant.

This means that we can use k to multiply the whole equation and the solution will not be affected.

Our equation now becomes,

$k(x - 2)(x - 7) = 0$

Hence the correct answer is A.

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2 years ago

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Kenny types 280 words. How long did he type for? A.4 B. 5 C.6 D. 7

zlopas [31]

Are you sure you didn’t miss anything while writing the question?

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2 years ago

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What is the median of these numbers 2.4,2.8,2.3,2.9,2.9

liberstina [14]

Answer:

2.8

Step-by-step explanation:

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1 year ago

Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 – 4x = 5

Ksenya-84 [330]

Solve for x over the real numbers:
x^2 - 4 x = 5

Subtract 5 from both sides:
x^2 - 4 x - 5 = 0

x = (4 ± sqrt((-4)^2 - 4 (-5)))/2 = (4 ± sqrt(16 + 20))/2 = (4 ± sqrt(36))/2:
x = (4 + sqrt(36))/2 or x = (4 - sqrt(36))/2

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x = (4 + 6)/2 or x = (4 - 6)/2

(4 + 6)/2 = 10/2 = 5:
x = 5 or x = (4 - 6)/2

(4 - 6)/2 = -2/2 = -1:

Answer: x = 5 or x = -1

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2 years ago

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Ethan and Leo start riding their bikes at the opposite ends of a 65-mile bike path. After Ethan has ridden 1.5 hours and Leo has

Ksenya-84 [330]

let Leo's speed = x mile/hr

so Ethan speed = (x + 6) miles per hour

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since they meet on the path , After Ethan has ridden 1.5 hours and Leo has ridden 2 hours , so together the have traveled on complete path that is 65 miles.

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