2 years ago

Please help me I need help

Mathematics

1 answer:

MariettaO [177]2 years ago

8 0

The collect 19 boxes by the end of everyday.

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x+(x+3)+x^2=75 Please help........ Everyone is giving me answers i know arent true...

son4ous [18]

x + (x + 3) + $x^{2}$ = 75

so you will add up all of the x 's but NOT the x^2

2x + 3 + $x^{2}$ = 75

Rearrange to put the x^2 in front of 2x

$x^{2}$ + 2x + 3 = 75

subtract the 75 from both sides

$x^{2}$ + 2x - 72 = 0

8 0

2 years ago

the scale of a tower to its scale model is 1 meter 5cm . if the tower is 6 meters by 20 meters what are the dimensions of the sc

nikklg [1K]

1 m = 5 cm

6 m = 6 * 5 = 30 cm
20 m = 20 * 5 = 100 cm

dimensions are : 30 cm by 100 cm

8 0

2 years ago

Simplify -7(-4p+1) + 2p

mariarad [96]

Step-by-step explanation:

-7(-4p+1) + 2p

-7 x -4 = 28p

-7 x 1 = -7

28p + 2p = 30p

30p-7

8 0

2 years ago

I need answers pls now

Vesnalui [34]

Theres too many questions to answer dude, we aint gonna do your homework for you dude, give us one question N we'll help you solve and help you understand. school is all about understanding and not punishment

5 0

2 years ago

A central angle in a circle with a radius of 3 cm intercepts an arc with a length of 6 cm what is the measure of the central ang

Fiesta28 [93]

Answer:

$114.59\°$

Step-by-step explanation:

we know that

The circumference of a circle is equal to

$C=2\pi r$

In this problem we have

$r=3\ cm$

substitute

$C=2\pi (3)=6 \pi\ cm$

Remember that

$360\°$ subtends the arc length of the complete circle

by proportion

Find the measure of the central angle for an arc length of $6\ cm$

$\frac{360}{6\pi } \frac{degrees}{cm} =\frac{x}{6} \frac{degrees}{cm} \\ \\x=6*360/(6\pi )\\\\ x=114.59\°$

7 0

2 years ago