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nadya68 [22]
3 years ago
13

If t=(23 -36 17 -6), then what is -10(t)? I WILL GIVE BRAINLIEST

Mathematics
1 answer:
Ghella [55]3 years ago
6 0

Answer:

-10(23-36+17-6)

= -255

hope it helps

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two right triangles are similar if an acute angle of one triangle is congruent to an acute angle of the other triangle. a. true
MArishka [77]
Answer:  True

One angle of a right triangle  = 90°
Let x =  the acute angle of one angle.
Let y =  the angle of the other angle.

Because the sum of angles in a triangle is 180°,
x + y + 90 = 180
x + y = 90
y = 90 - x

Therefore the angles for each of the two triangles are
x, 90° - x, 90°.

The two triangles are therefore similar because of AAA (Angle, Angle, Angle).
5 0
4 years ago
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You bike 1 mile the first day of your​ training, 1.3 miles the second​ day, 1.9 miles the third​ day, and 3.1 miles the fourth d
JulsSmile [24]

Answer:

19.9 miles

Step-by-step explanation:

In this problem we have:

d_1=1 mi is the distance travelled during the 1st day

d_2=1.3 mi is the distance travelled during the 2nd day

d_3=1.9 mi is the distance travelled during the 3rd day

d_4=3.1 mi is the distance travelled during the 4th day

We notice that the difference between the distance travelled on the (n+1)-th day and the distance travelled on the n-th day doubles every day. In fact:

d_2-d_1=0.3\\d_3-d_2=2\cdot 0.3 = 0.6\\d_4-d_3=2\cdot 0.6 = 1.2

Which can be rewritten using the general formula:

d_{n+1}-d_n=2(d_n-d_{n-1})

This means that

d_{n+1}=d_n+2(d_n-d_{n-1})

By applying this formula recursively, we can find the 7th term, which is the distance travelled on the 7th day:

d_1=1\\d_2=1.3\\d_3=1.9\\d_4=3.1\\d_5=3.1+2\cdot 1.2=5.5\\d_6=5.5+2\cdot 2.4=10.3\\d_7=10.3+2\cdot 4.8=19.9 mi

So, the  distance travelled on the 7th day is 19.9 miles.

7 0
4 years ago
Find the area of the following parallelogram:​
nalin [4]

Answer:

216

Step-by-step explanation:

18 which is the base will be multiplied by the height which is 12 giving you

18 x 12 = 216

6 0
3 years ago
Select the statement that describes the expression 7+2n
sineoko [7]

c

because 7+2n

sum is addition

2n is multiplication

6 0
3 years ago
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Solve for a .5(a+b)h
Alla [95]

Answer: 5ah+5bh

Step-by-step explanation:

all i did was foil! hope that helps!

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