3 years ago

Given: 3x < -6.

1 answer:

7 0

$3x\ \textless \ -6 :$

Divide both sides by 3 :

$\frac{3x}{3} = \frac{-6}{3}$

$x\ \textless \ -2$

Answer A

<span>{x | x < -2}
</span>
hope this helps!

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Meagan walked 4/10 mile to the park.she walked the same distance home.how much did she walk altogether? Write in simplest form

avanturin [10]

We add them up to find the total distance :

$\dfrac{4}{10} + \dfrac{4}{10} = \dfrac{8}{10} = \dfrac{4 \times 2}{5 \times 2} = \dfrac{4}{5}$

$\text {She walked } \dfrac{4}{5} \text { miles}$

7 0

3 years ago

If an object is propelled upward from a height of 72 feet at an initial velocity of 90 feet per second, then its height h after

kifflom [539]

Answer:

6.34 seconds.

Step-by-step explanation:

The object will hit the ground when h = 0.

-16t^2 + 90t + 72 = 0

8t^2 - 45t - 36 = 0

We can then use the quadratic formula to solve.

[please ignore the A-hat; that is a bug]

$\frac{45±\sqrt{45^2 - 4 * 8 * -36} }{2 * 8}$

= $\frac{45±\sqrt{2025 + 1152} }{16}$

= $\frac{45±\sqrt{3177} }{16}$

= $\frac{45±56.36488268}{16}$

(45 - 56.36488268) / 16 = -0.7103051678

(45 + 56.36488268) / 16 = 6.335305168

Since the time cannot be negative, the object will hit the ground after about 6.34 seconds.

Hope this helps!

4 0

3 years ago

a bag of potting soil costs $3 less than a flower pot. Ike paid $41 for 3 flower pots and 5 bags of soil. how much does one bag

Arada [10]

Cost of bag of soil = x-3 where x is the price of a flower pot
41=3x + 5(x-3)
41=3x + 5x -15
41=8x -15
41+15=8x
56=8x
56÷8=x
$7.00=x

5 0

3 years ago

If im in 8th grade now, what year will be the grade I graduate high school?

irakobra [83]

9th grade
10th grade
11th grade
12th grade
4 more years until you graduate high school
Today is 2016
2016 + 4 = 2020
The year will be 2020 when you graduate high school.

6 0

4 years ago

Read 2 more answers

What is the conjugate of 1 + √5

RUDIKE [14]

Answer:

Exact Form:

1 + √5

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8 0

3 years ago