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Jet001 [13]
3 years ago
15

Ughhhhh helpppp meeeee

Mathematics
1 answer:
devlian [24]3 years ago
4 0
T+40=75. Juan has 35 cookie dough orders.
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The width of a triangle of 7 feet longer than its length. Find the dimensions of the rectangle such that the perimeter of the re
AveGali [126]

Answer:

Length = 37 feets

Width = 44 feets

Step-by-step explanation:

Given that :

Length = l

Width, w = 7 + l

Perimeter , P of rectangle = 162

Recall:

Perimeter of a rectangle = 2(l + w)

P = 2(l + w)

162 = 2(l + (7 + l))

162 = 2(l + 7 + l)

162 = 2(7 + 2l)

162 = 14 + 4l

162 - 14 = 4l

148 = 4l

l = 148 / 4

l = 37 feets

Width = l + 7

Hence,

Width = 37 + 7 = 44 feets

4 0
3 years ago
Please help quickly for 5 stars and brainliest!!
alexandr402 [8]
1.
Height h = 240 feet
We insert it into formula.
240 = -16 t^{2} +128t
Now we solve this for t:
16 t^{2} -128t +240 = 0 /16  \\  t^{2}  - 8t +15 =0 \\ t_{1} = 5 t_{2} = 3

We have two answers as the rocket will pass this height on it's way up and down.

2.
Height h = 0 feet
We insert it into formula.
0=-16 t^{2} +76t + 2
Now we solve this for t:
16 t^{2} - 76t -2 = 0 /2 \\ 8t^{2} - 38t - 1 = 0 \\ t_{1} = 5 t_{2} = -1
We do not consider solution -1 as the time can not be negative. Our solution is 5s.

3.
Height at bottom of hill h = 0 feet
We insert it into formula.
v^{2} = 64 * 0 = 0 ft/s
7 0
4 years ago
What way of solving systems would you Ik use for these two equations ? X=3 y=2x+1
hammer [34]

Answer:

Substitution

Step-by-step explanation:

Subtitue x=3 into the second equation

y=2(3)+1

y=6+1

y=7

5 0
3 years ago
Convert 0.00049 to scientific notation.
Studentka2010 [4]

Answer:

D

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Kelly needs to order lunch for 6 people at a business meeting.Her menu choices are chicken salad for a cost of $5 per person and
Reil [10]
I hope this is what you mean, sorry if it is not

Kelly can buy 4 things of chicken salad and 2 things of egg salad it fits in the budget of $28 dollars. Hope you have a good day!
5 0
3 years ago
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