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RUDIKE [14]
3 years ago
9

Please help me solve 9 and 13

Mathematics
1 answer:
Sladkaya [172]3 years ago
6 0

Answer:

9:      4


13:      -8

Step-by-step explanation:


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What is the measure of the angle mentioned in the picture below:
Anni [7]

Answer:

70

Step-by-step explanation:

since the left and right sides are equal length the left and right angles are 55 degrees. and since a triangle adds up to 180 degrees

180-55-55 = 70

I think you can also use sin cos tan to solve this but this way is much easier

6 0
2 years ago
Here is the right photo please help i need this before july 1st thank you
Reil [10]

Answer:

i hope this helps

Step-by-step explanation:

2x^{2} -16=0

+16        +16

2x^{2} =16

÷2    ÷2

x^{2} = 8

\sqrt{x^{2} }= \sqrt{8}

x= \sqrt{8}

-5x^{2} +9=0

-9          -9

-5x^{2}=-9

÷-5   ÷-5

x^{2} =1.8

\sqrt{x^{2} }= \sqrt{1.8}

x= \sqrt{1.8}

6x^{2} -15=27

+15        +15

6x^{2} =42

÷6   ÷6

x^{2} =7

\sqrt{x^{2} }= \sqrt{7}

x=\sqrt{7}

4 0
4 years ago
A quarter is dropped from a building and modeled by the equation h=-16t^2+1250. How long does it take to strike a 6 foot tall pe
Fofino [41]
You need to find what is t when h = 6.

Try.
6 = -16t^2 + 1250
1244 = 16t^2
77.75 = t^2
t = 8.818
5 0
4 years ago
The drama clue is showing a video of their recent play. The first showing begins at 1:30 p.m. The second showing is scheduled at
OLga [1]
-----------------------------------------------
Given information
-----------------------------------------------
First showing : 1.30pm
Second showing : 4.15 pm
Inbetween : 1/2 hour break

-----------------------------------------------
Find the time the first showing ends
-----------------------------------------------
1/2 hours before 4.15pm
⇒ 30 mins before 4.15pm
⇒ 3.45pm

-----------------------------------------------
Calculate the duration of the firs show
-----------------------------------------------
1.30pm to 3.30pm = 2 hours
3.30pm to 3.45pm = 15 mins
Total duration = 2 hours 15 mins

-----------------------------------------------
Answer: 2 hours 15 mins
-----------------------------------------------
7 0
4 years ago
Megan bought 6 kilograms of dried blueberries for $27. Which of the following is an equivalent rate?
spayn [35]

Answer:

What following? Could you add the following

Step-by-step explanation:

6 0
3 years ago
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