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velikii [3]
2 years ago
12

The picture below...

Mathematics
1 answer:
Flura [38]2 years ago
7 0

Answer:

27

Step-by-step explanation:

9+8+10=27

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Jacob is asked to solve the follow problem: "Kayla is 9 years older than twice Hannah’s age. If the difference in their ages is
tatiyna

Answer:

Step-by-step explanation:

k = 2h+9

h+16=k

h+16=2h+9

-h = -7

h = 7

hannah is 7 and kayla is 23

jacob is wrong because if u do 16*2+7 it’s 39 and 39-16 does not equal 16

6 0
2 years ago
Tan9°. tan27°. tan45°. tan72°. tan81°= 1​<br><br>could u plz solve it with clear process
Inga [223]

<u>Correct</u><u> </u><u>question</u><u>:</u><u>-</u>

<u>Prove </u><u>that </u><u>tan9.</u><u>t</u><u>a</u><u>n</u><u>1</u><u>7</u><u>.</u><u>t</u><u>a</u><u>n</u><u>4</u><u>5</u><u>.</u><u>t</u><u>a</u><u>n</u><u>7</u><u>3</u><u>.</u><u>t</u><u>a</u><u>n</u><u>8</u><u>1</u><u>=</u><u>1</u>

<u>LHS</u>

\\ \sf\longmapsto tan9.tan17.tan45.tan73.tan81

\\ \sf\longmapsto tan9.tan81.tan17.tan73.tan45

\\ \sf\longmapsto tan(90-81).tan81.tan(90-73).tan73.1

\\ \sf\longmapsto cot81.tan81.cot73.tan73

\\ \sf\longmapsto 1.1

\\ \sf\longmapsto 1

5 0
2 years ago
Read 2 more answers
What is 15.39-8.99 plzzzz help
pogonyaev
6.40 is the answer


Brainliest for giving u that help?
8 0
3 years ago
Read 2 more answers
Find the y please use the screen shot
Vikki [24]

Answer:

y = 0.3

Step-by-step explanation:

Solve for y:

\longrightarrow (3.2y - 1.8) - (5.2 y + 3.4) = -5.8

-(5.2y + 3.4) = -5.2y - 3.4:

\longrightarrow3.2y - 1.8 -5.2y - 3.4 = -5.8

Grouping like terms, 3.2y - 1.8 - 5.2y - 3.4 = (3.2y - 5.2y) + (-1.8 - 3.4):

\longrightarrow (3.2y - 5.2y) + (-1.8 - 3.4) = -5.8

3.2y - 5.2y = -2 y:

\longrightarrow -2y + (-1.8 - 3.4) = -5.8

-1.8 - 3.4 = -5.2:

\longrightarrow -5.2 - 2y = -5.8

Add 5.2` to both sides:

\longrightarrow (5.2 - 5.2) - 2y = 5.2 - 5.8

5.2 - 5.2 = 0:

\longrightarrow -2y = 5.2 - 5.8

5.2 - 5.8 = -0.6:

\longrightarrow -2y = -0.6

Divide both sides of -2y = -0.6 by -2:

\longrightarrow \sf \dfrac{-2}{-2}y = \dfrac{-0.6}{-2}

\sf \dfrac{-2}{-2} = 1:

\longrightarrow \sf y = \dfrac{-0.6}{-2}

\sf \dfrac{-0.6}{-2} = 0.3:

\longrightarrow y = 0.3

5 0
3 years ago
10x3 + 3x2 – 20x – 6
Helga [31]
-2
Because -2(10x+3) is (-20x-6) when you distribute
4 0
3 years ago
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