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Vika [28.1K]
2 years ago
14

**NEED HELP**

Mathematics
1 answer:
Kaylis [27]2 years ago
7 0

Answer:

  75 mph

Step-by-step explanation:

In this kind of problem, "per" means "divided by". To find miles per hour, compute <em>miles divided by hours</em>:

  (60 mi)/(4/5 h) = (60×5/4) mi/h = 75 mi/h

Nellie is going 75 miles per hour.

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Write the equation of the line that passes through the point (5, -6.5) and is perpendicular to the following equation:
Maslowich
Explanation:
first find the slope m of the line passing through the

the 2 given points
to calculate the slope m use the
gradient formula
∙
x
m
=
y
2
−
y
1
x
2
−
x
1
let
(
x
1
,
y
1
)
=
(
1
,
3
)
and
(
x
2
,
y
2
)
=
(
−
5
,
6
)
m
=
6
−
3
−
5
−
1
=
3
−
6
=
−
1
2
given a line with slope m then the slope of a line

perpendicular to it is
∙
x
m
perpendicular
=
−
1
m
hence
m
perpendicular
=
−
1
−
1
2
=
2
the equation of a line in
slope-intercept form
is.
∙
x
y
=
m
x
+
b
where m is the slope and b the y-intercept
here
m
=
2
y
=
2
x
+
b
←
is the partial equation
to find b substitute
(
−
2
,
7
)
into the partial equation
7
=
−
4
+
b
⇒
b
=
7
+
4
=
11
y
=
2
x
+
11
←
is the required equation
4 0
3 years ago
Estimate 2/3 ×40 how do you estimate
s344n2d4d5 [400]

Answer:

you estimate usally by the nearest 100. in this case its by 10 so your estimate answer is 30 because your final answer is 26. is the last number is greter than 5 you round up and lower than 5 you round down

Step-by-step explanation:

3 0
3 years ago
(7−4n)X6 =what i looked it up and found nothing
kicyunya [14]

Answer:

-24n + 42

Step-by-step explanation:

(7 - 4n) · 6

Apply distribute property.

7 · 6 - 4n · 6

42 - 24n

5 0
3 years ago
Eloise is planning on retiring soon. When she first began working she invested $1500 in a retirement fund. The percent increase
natali 33 [55]

1500 ( 1 + .95)

Answer: B. $2,925.0

7 0
3 years ago
Help!
Stolb23 [73]

Answer:

C.

Step-by-step explanation:

6 0
1 year ago
Read 2 more answers
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