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Blizzard [7]
3 years ago
7

What is 54 in the ratio 5:11:2

Mathematics
1 answer:
qwelly [4]3 years ago
6 0
5/22 I’m pretty that’s the answer
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Marco has a piece of wood that measures 9 x 1/10 + 6 x 1/100 + 4 x 1/1000 how can this measurement be written as a decimal? you
spin [16.1K]

Answer:

The decimal number is 0.964

Step-by-step explanation:

we have

9(\frac{1}{10})+ 6(\frac{1}{100})+4(\frac{1}{1,000})

step 1

Multiply each fraction by the whole number

(\frac{9}{10})+ (\frac{6}{100})+(\frac{4}{1,000})

step 2

Convert each fraction in a decimal number

Remember

Move the decimal point to the left as many places as there are zeros in the factor.

Move the decimal point one step to the left (10 has one zero).

Move the decimal point two steps to the left (100 has two zeros)

Move the decimal point three steps to the left (1000 has three zeros)

0.9+0.06+0.004

step 3

Adds the number

0.964

5 0
3 years ago
David Herbert earns $2,475 a month as a security guard for Baldwin Enterprises.
ArbitrLikvidat [17]

Answer:

I dont think so my brain left the game

4 0
3 years ago
Read 2 more answers
Use the equation 15% = 10% + 5% to find a 15% tip on a bill of $14.85. (Round the bill to the nearest dollar before finding the
Ymorist [56]

The tip amount is $2.23

Because...

14.85 x .15 = 2.2275

Rounding gets you your answer . Good luck (:

3 0
3 years ago
If cos (A) = 1/2 with A in QIV, find sec (A/2).
Ludmilka [50]
If A is QIV, then        3π/2 ≤A≤2π; 
we have to find out in what quadrant is A/2
          (3π/2)/2≤A/2≤(2π)/2 ⇒ 3π/4≤A/2≤π
We can see that A/2 will be in QIII; therefore the sec (A/2) will be negative (-).

1) we have to calculate cos (A/2)
Cos (A/2)=⁺₋√[(1+cos A/2)/2]
We choose this formula: Cos (A/2)= -√[(1+cos A/2)/2],  because sec A/2 is in quadrant Q III, and the secant (sec A/2=1/cos A/2) in this quadrant is negative.

Cos (A/2)=-√[(1+cos A)/2]=-√[(1+(1/2)]/2=-√(3/4)=-(√3)/2.

2) we compute the sec (A/2)
Data:
cos (A/2)=-(√3)/2

sec (A/2)=1/cos (A/2)
sec (A/2)=1/(-(√3)/2)=-2/√3=-(2√3)/3

Answer: sec (A/2)=-(2√3)/3
6 0
4 years ago
Allen bought 5 more golf balls than Mabel. Together Allen and Mabel bought 17 golf balls.  How many golf balls did Mabel buy? 
SCORPION-xisa [38]

Mabel bought 6 more golf balls then Allen


Work:

Step 1: 17 - 5 = 12

Step 2: 12 divided by 2 = 6


Hope this helps!


6 0
3 years ago
Read 2 more answers
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