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Aleks [24]
2 years ago
15

HEEELLPP is just one question!

Mathematics
1 answer:
defon2 years ago
3 0

Answer:

65°

Step-by-step explanation:

The missing angle is x°

tan x° = \frac{opposite }{adjacent }

tan x°= \frac{850}{400}

tan x° = 2.125

using a calculator:

  • tan^(-1)(2.125) =64.79 ≈65°
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There are (4^9)5 ⋅ 4^0 books at the library. What is the total number of books at the library?
LenKa [72]
Your answer is B. You multiply 5 by the exponents and 4^0 is just 1, so 4^45•1=4^45. Hope this helped!
7 0
3 years ago
1/8 of Tony's books are mystery books he has three mystery books how many books does Tony have an all
seropon [69]
1/8 of all=mystery
mystery=3

'of' means multiply
therefor
1/8 times all=3
multiply both sides by 8/1 to clear fracion
all=24


6 0
3 years ago
Please help!! I don’t get it
Marrrta [24]

Answer:

Each hotdog costs $1.65

Each juice drink costs $1.05

Step-by-step explanation:

Let's begin by letting x represent the number of hot dogs and y the number of juice drinks.

The Baxter family bought 6 hot dogs and 4 juices for $14.10.

6x + 4y = 14.10

The Farley family bought 3 hot dogs and 4 juices for $9.15.

3x + 4y = 9.15

Now, we subtract these equations.

6x + 4y = 14.10\\- (3x + 4y = 9.15)

Since y has reversed coefficients, it gets eliminated. Now solve for x.

6x+4y-3x-4y=14.1-9.15\\3x = 4.95\\\frac{3x}{3} = \frac{4.95}{3}

\frac{4.95}{3} = 1.65

x = 1.65

NOW, we find y by substituting x with 1.65 (in either equation).

We'll use the first equation.

6x + 4y = 14.10

6(1.65) + 4y = 14.10

9.9 + 4y = 14.10\\4y = 14.1 - 9.9\\4y = 4.2

\frac{4y}{4} = \frac{4.2}{4} \\y = 1.05

x = 1.65

y = 1.05

x represents hotdogs and y represents juice drinks.

Therefore, each hotdog costs $1.65 and each juice drink costs $1.05.

<em> I hope this helps! :)</em>

6 0
3 years ago
Share 32 beads to the ratio of 6:10​
olga55 [171]

Answer:

it's 6:10

12:20

Step-by-step explanation:

when u add 6+10 u get = 16

then divide 32 beads from 16.

then u get a value of a bead ...n it's 2.

<em> </em><em>think</em><em> </em><em>u</em><em> </em><em>can</em><em> </em><em>understand</em><em> </em><em>my</em><em> </em><em>answer</em><em>.</em><em>.</em><em>.</em><em>.</em>

5 0
3 years ago
Read 2 more answers
Help me please!
olga nikolaevna [1]

Answer:

B

Step-by-step explanation:

Well you can get rid of c and d since 9^2 = 81. so 74 is less than 81 so it's definitely less than 9. Now, we know it's between 8 and 9. try multiplying 8.5 x 8.5 = 72.25. So our ranges are

A) 64 - 72.25

B) 72.25 - 81.

74 falls between 72.25 - 81. So it'll be B

3 0
2 years ago
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