HELP ME ANSWER THIS PLEASE

Mathematics

1 answer:

koban [17]2 years ago

8 0

Answer:

C , D , B

Step-by-step explanation:

Trigonometry is given by three formulas :

SOH - CAH - TOA

Sin x = Opp/Hyp
So Sine must be Option D
Cos x = Adj/Hyp
So Cosine must be Option C
Tan x = Opp/Adj
So tangent must be Option B

Hope this helped and have a good day

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The area of a trapezoid is 864 cm2. It has a height of 24 cm, and the length

Darina [25.2K]

Answer:

Length of other base = 42 cm

Step-by-step explanation:

h = 24 cm

One of its base a = 30 cm

$Area=864cm^{2}\\\\\frac{(a+b)*h}{2}=864\\\\\frac{(30+b)*24}{2}=864\\\\(30+b)*12=864\\\\30+b=\frac{864}{12}\\\\30+b=72$

b = 72 - 30

b = 42 cm

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4 years ago

Estimate the sum 1 3/7 + 3 5/9 + 1/2 show your work

stiv31 [10]

Answer:

5.48

Step-by-step explanation:

First, we convert all the fractions into improper fractions. 1 3/7 is 10/7, 3 5/9 is 32/9, and 1/2 stays the same. then we find a common denominator, which would be the LCM of 7, 9 and 2, which is 126. Finally, we rewrite the fractions with the common denominator of 56, and we get 180/126, 448/9 and 63/126. adding these together we get 691/126, which is approximately 5.48412698, which we can round to 5.48

3 0

3 years ago

Read 2 more answers

Caleb has 20 more books than Danica. If Caleb gives Danica half of his books, Danica will have 4 more books than Caleb. How many

wariber [46]

Answer:

Option E: 24.

Step-by-step explanation:

When Caleb (C) has 20 more books than Danica (D), we have:

$C = 20 + D$ (1)