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wel
2 years ago
15

Which of the following is the solution set of –4 < 3t + 5 ≤ 20?

Mathematics
1 answer:
Kaylis [27]2 years ago
5 0

Answer:

b)

{t | –3 < t ≤ 5}

Step-by-step explanation:

    –4 < 3t + 5 ≤ 20

⇔

    -4 - 5 < 3t ≤ 15

⇔

    -9 < 3t ≤ 15

⇔

    -3 < t ≤ 5    

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uysha [10]

Answer:

Step-by-step explanation:

Unit rate = $32/(5 pounds) = $6.40/pound

[You can convert that to smaller units:

$6.40/pound × (1 pound)/(16 ounces) = $0.40/ounce]

:::::

Cost = (number of pounds) × $6.40/pound

:::::

12 pounds × $6.40/pound = $76.80

6 0
2 years ago
Find the y-intercept for the parabola defined by<br> this equation:<br> y= 4x2 – 7x-2
Marina CMI [18]

Answer:

(0,-2); The y-intercept is y=-2.

Step-by-step explanation:

Recall that the y-intercept is simply (0, y). In other words, we simply need to plug zero into the equation to acquire the y.

Thus:

y=4x^2-7x-2

y=4(0)^2-7(0)-2

y=-2

3 0
3 years ago
Read 2 more answers
A recipe for homemade clay calls for 6 cups of water for every 12 cups. How many cups of water are needed when 4 cups of flour a
pochemuha

Answer:

2 cups of clay

Step-by-step explanation:

Given data

we are given that  6 cups of water for every 12 cups of clay

  i.e

12 cups of clay require 6 cups of water

4 cups of clay will require x cups of water

cross multiply

12x= 4*6

12x= 24

divide both sides  by 12

x= 24/12

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Hence 4 cups of water will require 2 cups of clay

6 0
3 years ago
What is the value of the function at x = −3?
zlopas [31]

Answer:

the answer is D

Step-by-step explanation:

(0, -3) , (1, -3) , (2, -3)

Hope this helps! :)

~Zane


4 0
3 years ago
Read 2 more answers
How does knowing the double 6+6=12 help solve the near double 6+7=13?
Yakvenalex [24]

Because, if 6 + 6 = 12, then in 6 + 7, 7 can be splitted into 6 + 6 + 1, and so you find it easier...!!

7 0
3 years ago
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