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cestrela7 [59]
2 years ago
13

HELP ME PLEASE !!!!!!!!

Mathematics
1 answer:
andre [41]2 years ago
8 0

Answer:

3 is yes, the rest is no

Step-by-step explanation:

for y = -6x - 9

(1) if x = 7, y = -51 => No

(2) if x = 3, y = -27 => No

(3) if x = -8, y = 39 => Yes

(4) if x = -5, y = 21 => No

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Helpp ill mark u as brain list​
SCORPION-xisa [38]

Answer:

the second one

-1 -2

3 0

5 1

7 2

5 0
3 years ago
Amirah's family is driving to her uncle's house. The family travels 383.5 miles between 10:15 am and 4:45 pm. Calculate the fami
ddd [48]

Answer:

The family's average rate of travel for the day was 59.0 MPH.

Step-by-step explanation:

From 10:15AM to 4:45PM, they travelled a distance of 383.5 miles and a total of 6 hours and 30 minutes.

There are 60 minutes in an hour. 30 minutes translates into 1/2 an hour or .5

So, 6.5 hours and a total distance of 383.5 miles.

Velocity (MPH) = Distance (in miles) / Time (in hours)

MPH means Miles Per Hour

Variables:

Velocity (MPH) = x

Distance (in miles) = 383.5

Time (in hours) = 6.5

Plug in the variables into the formula

x = 383.5 / 6.5

Divide

x = 59.0 MPH

5 0
2 years ago
Read 2 more answers
It is sometimes possible to write two inequalities as a inequality.
goblinko [34]
Hi!

Yes, it is. When we have one inequality composed of two inequalities, we call this a double inequality. 

A double inequality would look something like <em>-5 < 4x < 10.

</em>Hopefully, this helps! =)<em>
</em>
7 0
3 years ago
Solve for n in the literal equation a(n-2)+5=bn
Helga [31]

Answer:

<u><em>Answer is below</em></u>

Step-by-step explanation:

<em><u>a(n-2)+5=bn</u></em>

<em><u>Add -bn to both sides</u></em>

<em><u>an-2a+5+(-bn)=bn+(-bn)</u></em>

<em><u>an-bn-2a+5=0</u></em>

<em><u>add two a to both sides</u></em>

<em><u>an−bn−2a+5+(2a)=0+(2a)</u></em>

<em><u>an−bn+5=2a</u></em>

<em><u>Add -5 to both sides</u></em>

<em><u>an−bn+5+(-5)=2a+(-5)</u></em>

<em><u>an−bn=2a−5</u></em>

<em><u>Factor out our variable</u></em>

<em><u>n(a−b)=2a−5</u></em>

<em><u>Divide both sides by a-b</u></em>

<em><u>n(a-b)/a-b=2a-5/a-b</u></em>

<em><u>n=2a-5/a-b</u></em>

<em><u>Hope this helps</u></em>

7 0
3 years ago
Hiii please help i’ll give brainliest:)
Degger [83]

Answer:

Row ships

Step-by-step explanation:

They helped because a lot of travel took place on the Mediterranean Sea which was a massive body of water that led to the coasts of trading locations.

5 0
3 years ago
Read 2 more answers
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