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andrezito [222]
3 years ago
11

Pleasee help!!! (brainlest) (15 points)

Mathematics
2 answers:
Masteriza [31]3 years ago
6 0
-1400 + 800 - 350 = - 950 meters
USPshnik [31]3 years ago
5 0
-1400 + 800 - 350 = - 950 meters
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If vector u = <-3.5, -1.5> and vector v = <-1.25, 2.25>, which graph shows the resulting vector for 2v − u?
Sedaia [141]

Answer:

D

Step-by-step explanation:

We know that vector addition is scalar addition.

Given vectors are u = <-3.5, -1.5> and v = <-1.25, 2.25>

2v = < -2.5, 4.5>

2v - u = < -2.5, 4.5> - <-3.5, -1.5> = < -2.5 - (-3.5) , 4.5 -(-1.5) >

2v-u = < 1 , 6 >

This vector is basically i + 6j which is drawn in option D

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3 years ago
4. What's the area of the above figure, which has sides of length 6 and 8?
ANTONII [103]

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48

Step-by-step explanation:

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6×8=48

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2 years ago
Round two decimal places<br><br>729015430.40641995​
erastovalidia [21]

Answer:

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Step-by-step explanation:

Since the 3 decimal place is 6, you round up. If you round up for 0 you get 1. Therefore your answer is 729015430.41.

5 0
3 years ago
Blake burns 41/2 calories in 2/3 of a minute riding his bike. what is blakes unit rate
MA_775_DIABLO [31]
(9/2) (3)
--------- X -----
(2/3) (3)

(27/2)
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3 years ago
Towers A and B are located 10 miles apart. A ranger spots a fire at a 42-degree angle from tower A. Another fire ranger spots th
steposvetlana [31]

Answer:

7.0 mi

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the measure of angle C

Remember that the sum of the interior angles in any triangle must be equal to 180 degrees

so

A+B+C=180^o

substitute the given values

42^o+64^o+C=180^o

C=180^o-106^o=74^o

step 2

Find the measure of a

Applying the law of sines

\frac{c}{sin(C)}=\frac{a}{sin(A)}

substitute the given values

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solve for a

a=\frac{10}{sin(74^o)}sin(42^o)

a=7.0\ mi

6 0
3 years ago
Read 2 more answers
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