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Llana [10]
3 years ago
7

Plz answer these questions. If ur gonna answer answer them all or else i will report and u wont get brainliest.

Mathematics
2 answers:
o-na [289]3 years ago
8 0

Answer:

Step-by-step explanation:

lawyer [7]3 years ago
6 0

Answer:

1: 1.5, a decrease

2: 5, decreases, 4.1, decreases, 4

3: 694, 708, other, faster

4: A, 45

5: B

Step-by-step explanation:

Surprised that I'm not stealing points?

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Jack looks at a clock tower from a distance and determines that the angle of elevation of the top of the tower is 40°. John, who
Sveta_85 [38]
My answer would be 20.10 which would equal as 21

8 0
4 years ago
Adriana went to school for 6 2/5 hours on Tuesday. What is 6 2/5 expressed as a decimal?
lozanna [386]

Answer:

6.4 .

Step-by-step explanation:

this was on my test

3 0
3 years ago
Yesterday, Nancy's lunch cost $9.80, and she left a $1.47 tip. Today, Nancy's lunch cost $12.60. If she tips at the same rate th
Sedbober [7]
$1.47 = $9.80P
$1.47/$9.80 = $9.80P/$9.80
P = 0.15
The percent of tip is 15%
Today’s Lunch $12.60 x 15% = $12.60 x 0.15 = $1.89
She leaves $1.89 tip.
5 0
3 years ago
Read 2 more answers
A hole is being dug into the ground at a rate of 5.3 feet per minute. Write an integer to describe the depth of the hole after 1
inna [77]

Answer:

79.5 feet

Step-by-step explanation:

5.3 per minute can also be written as the ratio 5.3:1. so if we have x:15, we can see that we've multiplied the right side by 15 so we have to do the same to the other side. 15 times 5.3 is 79.5. so thats your answer.

i hope this helps :))

8 0
3 years ago
Solve with completing the square method:<br>6x²-7x+2=0 and  ax²+bx+c=0
Norma-Jean [14]
6x ^2-7x+2=0\\ \\ a=6 , \ b = -7 , \ c=2 \\ \\\Delta = b^{2}-4ac = (-7)^{2}-4*6*2=49-48=1 \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{7-\sqrt{1}}{2*6}=\frac{7-1}{12} =\frac{6}{12}= \frac{1}{ 2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{7+\sqrt{1}}{2*6}=\frac{7+1}{12} =\frac{8}{12}= \frac{2}{ 3}


7 0
4 years ago
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