I GIVR BRAINLIST AND POINTS

Mathematics

1 answer:

PIT_PIT [208]2 years ago

4 0

Answer:

Step-by-step explanation:

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What is 9^21 can somebody please help me

stiv31 [10]

It is 9*9 21 times so
9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9=

1.09418989e20 is the answer.

5 0

2 years ago

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Show your work for -4x+3(2x-5)=31

mina [271]

Step-by-step explanation:

$- 4x + 3(2x - 5) = 31 \\ - 4x + 6x - 15 = 31 \\ 2x - 15 = 31 \\ 2x = 31 + 15 \\ 2x = 46 \\ x = 46 \div 2 \\ x = 23$

4 0

1 year ago

Select the correct answer.

Crazy boy [7]

check the picture below.

now, if we split that triangle like so with that red line, we can use the right-triangle there, to get θ.

$\bf tan(\theta )=\cfrac{\stackrel{opposite}{3}}{\stackrel{adjacent}{3}}\implies tan(\theta )=1\implies tan^{-1}(\theta )=tan^{-1}(1)\implies \measuredangle \theta =\cfrac{\pi }{4}$

8 0

2 years ago

Can someone please help me

NNADVOKAT [17]

The centroid splits the median in a 2:1 ratio from vertex to side.
The median bisects the side it is drawn to.

$QR=(1/2)(JQ)=(1/2)(16)=8 \\ \\ LM=(3)(QM)=(3)(6)=18 \\ \\ KQ=(2/3)(KP)=(2/3)(18)=12$

3 0

1 year ago

If PQ=7 and QR=10, then PR=

Cloud [144]

Answer:

PR=PQ+QR

=7+10

=17

Hope this will help:)

8 0

2 years ago

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