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cestrela7 [59]
2 years ago
14

Pls help due soon I’ll be giving brainliest :))

Mathematics
2 answers:
Arada [10]2 years ago
8 0

Answer:

im pretty sure first question is 28.6 seconds

and second one is 276 total pounds

Step-by-step explanation:

The first one is 86 divided by 3 = 28.6 seconds

the second one is 23 x 12 = 276 pounds

Sergeeva-Olga [200]2 years ago
8 0

Answer:

7) 86 - 3x  8) 23 + 12w

Step-by-step explanation:

For question 7, the elevator's initial 'value' is 86 and the rate of change is 3 feet per second (x). The key word is 'descending'. Because of this the expression will subtract 3x instead of adding it. 86 - 3x

For question 8, the total weight is the crate's initial 23 and the extra (w) pounds for 12 boxes. 23 + 12w

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If LM = 20 cm, and PQ = 16 cm, what is the length of RM, in centimeters?
LuckyWell [14K]

Answer:

RM = 12 cm

Step-by-step explanation:

a^{2} + b^{2} = c^{2}

Assuming 20 is the hypotenuse cus there is no picture:

a^{2} + 16^{2} = 20^{2}

a^{2} +256 = 400

a^{2} = 144

a=144

If It's not the hypotenuse:

16^{2}+ 20^{2} =c^{2}

256+400 =c^{2}

656=c^{2}

c = 25.61249695

But I find it unlikely that 20 wasn't the hypotenuse so ignore that unless it applies.

Hope this helped. :0)

5 0
3 years ago
3x−1−(x+3)=1 PLEASE HELP IDK HOW TO DO IT
torisob [31]

Answer:

x = 5/2

x = 2 1/2

x = 2.5

Step-by-step explanation:

3x - 1 - (x + 3) = 1

3x - 1 - x - 3 = 1

2x - 1 - 3 = 1

2x - 4 = 1

2x = 1 + 4

2x + 5

2x = 5

x = 5/2 → 2 1/2 → 2.5 ( can be written in any of these forms depending on what you need to do)

<em>Hope this helped! :)</em>

7 0
3 years ago
Read 2 more answers
Please help! Brainliest. No bots will be acceptable.
Vitek1552 [10]

Answer:

7.5 cups of raisins, 10 cups of peanuts and 5 cups of chocolate chips.

Step-by-step explanation:

We are given that,

The amount of ingredients needed for the trail mix are,

Raisins =  cup

Peanuts = 1 cup

Chocolate chips =  cup

Since, Kiran needs to make 10 cups of the trail mix.

The amount of ingredients needed will be,

Raisins =  =  = 7.5 cups

Peanuts = 1 × 10 = 10 cups

Chocolate chips =  = 5 cups

Hence, the ingredients needed are 7.5 cups of raisins, 10 cups of peanuts and 5 cups of chocolate chips.

5 0
3 years ago
Read 2 more answers
What is the y-intercept of the line described by the equation below?<br> y = 7x + 4
zlopas [31]

Answer:

The y-intercept is 4

Step-by-step explanation:

y=mx+b

m=the slope

b=the y-intercept

Hope this helps .-.

8 0
3 years ago
The lovin lemon company sells a 4 gallon jug of lemonade for $24. the sweet and sour company sells an eight pack of 1quart bottl
bulgar [2K]
The one with gallons because that one is $6 and the other one is $2 so gallon has a higher unit price 
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4 years ago
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