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3 years ago

HELP QUICK PLS WILL GIVE BRAINLIEST

Mathematics

1 answer:

alexandr1967 [171]3 years ago

4 0

Answer:

0.08(50h)

Step-by-step explanation:

0.08(50h)+50h=

8/100(50h)+50h=

0.08(50h)+50h

It's 0.08 of 50h, so

0.08(50h)

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Lunch break: In a recent survey of 643 working Americans ages 25-34, the average weekly amount spent on lunch as $43.21 with sta

EastWind [94]

Answer:

107%

Step-by-step explanation:

Round up all possible algorithms

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2 years ago

Complete the square to factor X^2 +10X=-8

ella [17]

Answer: $x=\sqrt{17}-5$ and $x = -\sqrt{17}-5$

Step-by-step explanation:

Alright, lets get started.

The given equation is :

$x^{2} +10x = -8$

Adding 8 in both sides, it will become

$x^{2} +10x + 8 = -8 +8$

$x^{2} +10x + 8 = 0$

To make it perfect square, we need to add 25 and subtract 25

$x^{2} +10x + 8 +25-25= 0$

$x^2+10x+25+8-25=0$

$(x+5)^2+8-25=0$

$(x+5)^2-17=0$

Adding 17 in both sides

$(x+5)^2=17$

taking square root

$x+5=\sqrt{17}$

So,

$x=\sqrt{17}-5$ and $x = -\sqrt{17}-5$ .. Answer

Hope it will help :)

7 0

3 years ago

Read 2 more answers

Can someone help me with this one

bonufazy [111]

Answer:

$x(2x+1)(x-2)$

Step-by-step explanation:

$x(2x^2-3x-2)$

$x(2x^2-4x+x-2)$

$x[2x(x-2)+1(x-2)]$

$x(2x+1)(x-2)$

3 0

3 years ago

The outside temperature decreases by 7F in 3 1 2hours. Part A How would you represent the temperature change as a unit rate? Exp

Evgesh-ka [11]

Answer:

A) 2f / hour

B) 10 f

Step-by-step explanation:

outside temperature decreases by ; 7 F in 3 1/2 hours

a ) represent temperature change as a unit rate

To do this you will need to represent the temperature change per hour

7 f / 3.5 hours

= 7 f / 3.5 = 2 therefore the temperature change as a unit rate = 2f / hour

b) Temperature change after 5 hours

Δ temperature in 5 hours = temperature change per hour * 5

= 2 F * 5 = 10 F

6 0

3 years ago

Chris used 45 meters of fencing to enclose a circular garden. What is the approximate radius of the garden,rounded to the neares

kobusy [5.1K]

The length of the fencing corresponds to the length of the perimeter of the garden:
$p=45 m$
We also know that the perimeter of a circle is given by:
$p=2 \pi r$
where r is the radius of the circle.

Putting together the two equations, we have
$2 \pi r = 45$
from which we can find r, the radius of the garden:
$r= \frac{45}{2 \pi}= \frac{45}{2 \cdot 3.14}=7.17 m$

3 0

2 years ago

Read 2 more answers