3 years ago

Can someone hep me on this

Mathematics

1 answer:

Pavel [41]3 years ago

7 0

5x+4y= $35
x= daisies and y=roses
3x+6y=$39

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A population of a high school is 51% male. 45% of the males and 49% of the females attend concerts

Soloha48 [4]

Is that the whole question because you cant really solve this without all the details.

4 0

3 years ago

Help me please. Solve this equation with the steps. -5•10^x=-31. Thank you

Sonbull [250]

Answer:

$x=0.79$

Step-by-step explanation:

we have

$-5(10^{x})=-31$

step 1

Divide by -5 both sides

$10^{x}=31/5$

step 2

Apply log both sides

$log[10^{x}]=log[31/5]$

step 3

Applying Property of logarithms

Remember that

$log(x^{y})=ylog(x)$

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Remember that

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3 years ago

A dune buggy company rents dune buggies at the beach. They charge an initial fee of $30 plus

natali 33 [55]

Answer:

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Step-by-step explanation:

y= mx + b

m = slope

b = y-intercept

y= 10x + 30

Slope: 10

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5 0

2 years ago

Valencia is measuring two line segments. The first line segment is 30 cm long. The second line segment is 500 mm

spayn [35]

Answer:

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Step-by-step explanation:

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2 years ago

Flying against the wind, a jet travels 1710 miles in 3 hours. Flying with the wind, the same jet travels 3720 miles in 4 hours.

Rufina [12.5K]

Answer:

Rate of jet in still air = 750 mph

Rate of wind = 180 mph

Step-by-step explanation:

Let the rate of jet in still air = $u$ mph

Let the rate of air = $v$ mph

So, Rate of jet against the wind = $(u-v)$ mph

Rate of jet with the wind = $(u+v)$ mph

Formula for Speed/Rate is given as:

$Speed = Distance \times Time$

Distance traveled in 3 hours against the wind = 1710 miles

Distance traveled in 4 hours against the wind = 3720 miles

$u-v=\dfrac{1710}{3}\\\Rightarrow u-v=570..... (1)$

$u+v=\dfrac{3720}{4}\\\Rightarrow u+v=930......(2)$

Adding (1) and (2):

$2u=1500\\\Rightarrow u=750\ mph$

By equation (1):

$750 - v =570\\\Rightarrow v =180\ mph$

Rate of jet in still air = 750 mph

Rate of wind = 180 mph

5 0

3 years ago