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weeeeeb [17]
3 years ago
9

Which statement is true

Mathematics
1 answer:
vazorg [7]3 years ago
8 0
Morgan earns more money per hour on Friday
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AH HELP PLEASE !!!!!!!!!
Nezavi [6.7K]
A: is -10 B: is 200 c: is -3
4 0
3 years ago
Find the value of n for which the vectors a⃗ =(3,2)a→=(3,2) and b⃗ =(9,n)b→=(9,n) are collinear.​
Makovka662 [10]

Answer:

For n=6, the given vectors will be collinear.

Step-by-step explanation:

Collinear vectors are the vectors which lie on the same line or parallel lines. In order to find if two vectors are collinear, their ratio is found. If the ratio is same for all unit vectors then the vectors are collinear.

Given

a = (a_1, a_2) = (3,2)\\b = (b_1, b_2) = (9,n)

The ratio of first unit vectors is:

\frac{a_1}{b_1} = \frac{3}{9} = \frac{1}{3}

In order for the vectors to be collinear the other ratio should also be 1/3

\frac{a_2}{b_2} = \frac{1}{3}

Writing it mathematically

\frac{2}{n} = \frac{1}{3}\\2*3 = n\\n = 6

Hence,

For n=6, the given vectors will be collinear.

8 0
3 years ago
You buy 3 tickets for $48 total for the jazz concert on
statuscvo [17]

Answer: Friday night. Least expensive ticket

Step-by-step explanation:

Friday night.: 48/3 =16 so each ticket costs $16

Saturday night 36/2= 18 so each ticket costs $18

Brother collects 96/6 = 16. So each person had enough for a $16 ticket. They can go to the Friday night concert. They paid for the least expensive ticket.

8 0
4 years ago
A submarine traveling 100 km from the shore decended 1/10 km below sea level. Then it ascended about 3/5 km the next it again de
lyudmila [28]

Answer:

Horizontal displacement = 100 km

Position with respect to sea level = -0.4km

Step-by-step explanation:

Let the displacement downwards be negative displacement and displacement upwards be positive.

The horizontal distance from the shore remains constant whereas the displacement from the sea level varies as the submarine moves.

The upward displacement = 3/5 km

Downward displacement = - 1/10 km and - 9/10 km

Total displacement = 3/5km - 1/10 km - 9/10km = - 2/5 km = - 0.4 km

Horizontal distance from the shore = 100km

8 0
3 years ago
Selena walks from home to school each morning and back home each afternoon. Altogether, she walks 2/3 mike each day. How far doe
allsm [11]

Answer:

1/3 of a mile

Step-by-step explanation:

If she walks 2/3 of a mile everyday going to and from school. That makes it 1/3 of a mile in the morning and 1/3 of a mile in the afternoon. Which equals you total of 2/3

8 0
3 years ago
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