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Dafna11 [192]
3 years ago
9

How do you write out -5 * (-4) in repeated addition

Mathematics
1 answer:
zysi [14]3 years ago
5 0
I really hope this helped you out
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Suppose segment PQ has one endpoint at P (0,0). If T (6,3) is a point 3/10 of the way from P to Q, find the coordinates of Q.
mixer [17]

Answer:

Q(20,10)

Step-by-step explanation:

If point T (6,3) is a point 3/10 of the way from P(0,0) to Q(x,y), then

\overrightarrow {PT}=\dfrac{3}{10}\overrightarrow {PQ}.

Find the coordinates of the vectors \overrightarrow {PT},\ \overrightarrow {PQ}:

\overrightarrow {PT}=(6-0,3-0)=(6,3);\\ \\\overrightarrow {PQ}=(x-0,y-0)=(x,y).

Thus,

(6,3)=\dfrac{3}{10}(x,y),\\ \\(x,y)=\dfrac{10}{3}(6,3)=(20,10).

3 0
4 years ago
Debroah earns $10 per hour tutoring other students in math class. she earns versus the time that she tutors for. on the lines be
vesna_86 [32]
It represents that she tutored for 0 hours, and earned $0.

3 0
3 years ago
The lenght of a turtles shell z, in millimeters, is related to the turtles age in years a , as described by the equation below.
puteri [66]

Answer:

B, C , F

Step-by-step explanation:

The age multiplied 55, so the shell grows at rate of 55mm per year

in fact if the age is 2 we have (55 x 2) = 55 + 55

if 3 = (55 x 3) = 55 + 55 + 55

and so on

When the turtle is hatched the shell is 37 mm in lenght.

In fact, if we substitute 0 to a, we have

s = (55 x 0) + 37

s = 37

when the turtle is 1 year old, the shell is 92 mm in length.

in fact if we substitu a with 1, we have

s = (55 x 1) + 37

s = 55 + 37

s = 92

8 0
3 years ago
What two numbers whose sum is 31 and whose difference is 1
Vlad [161]
I f i am correct 15 and 16

cuz 15+16 = 31
but 16-15= 1
6 0
3 years ago
Which expression is equivalent to 4(3n-5)?<br>A.7n - 9<br>B.7n - 20<br>C.12n-5<br>D.12n-20​
Archy [21]

Answer:

D. 12n-5

Step-by-step explanation:

you will do 4 times 3n and you will get 12n then you will do 4 times -5 and you will get -20 and then finally you will have 12n-5 (Distribute)

6 0
3 years ago
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