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Eduardwww [97]
3 years ago
5

A study showed that 76% of the participants had good results using the drug. What fraction of the participants had good results?

Mathematics
1 answer:
mojhsa [17]3 years ago
5 0
76/100
this can be simplified to 19/25
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Translate each of the equations below into algebraic statements.
MrMuchimi

Answer:

a. 3 times the sum of a number and 3 equals 9

b. 5 less than the product of 4 times a number equals 11

Please Mark Brainliest If This Helped!

4 0
1 year ago
Tamiko makes a necklace by stringing beads with the following colors: red, yellow, blue, red, yellow, blue,... If she continues
Anettt [7]

50=3\cdot16+2

So, it will be the second color which is yellow.

6 0
3 years ago
Read 2 more answers
On an indoor circular track of circumference 50 feet, Joneal starts at point $S$, runs in a counterclockwise direction, and then
Archy [21]

Answer:

He stoped on 3th quarter,i.e, $C$.

Step-by-step explanation:

He ran 105 full circles ( 5280/50=105 ( rst= 30ft) ). So in the last circles he started from point S to run 30ft more.

The quarter of the circle is long 50ft/4= 12,5ft. So for 30 feets he must run 2 quarters, its 25ft. The last 5ft he ran on the 3th quarter, so he stoped on C.

This answer $C$, if $C$ is the 3th quadrant, i don't see the picture of the track.

4 0
3 years ago
Can you help me please?
Alexxx [7]
The errors are that she is just multiplying incorrectly.

10* 1.75 = 17.5
100* 1.75= 175
1000* 1.75 = 1750

When you are multiplying by tens (hundreds and thousands are also considered tens since they are just 10*10 and 10*10*10), you should just be moving the decimal place forward one place. 
This goes back to very basic math when you are learning place values.
8 0
3 years ago
A culinary club earns $843 from a dinner service. They sold 31 adult meals and 54 student meals. An adult meal costs $8 more tha
Alexxx [7]

The culinary club earned $843 in all. They sold 31 adult meals (setting the variable as a), and 54 student meals (setting the variable as x).

843 = 31a + 54x

An adult meal costs $8 more than a student meal:

a = 8 + x

Your system of equation is:

843 = 31a + 54x

a = 8 + x

Solve. Note that 8 + x = a. Plug in 8 + x for a in the first equation

843 = 31(8 + x) + 54x

Simplify. Solve with PEMDAS. (Parenthesis, Exponents (& roots), Multiplication, Division, Addition, Subtraction). Remember that you can only combine like terms (terms with the same number of variables).

First, distribute 31 to all terms within the parenthesis.

31(8 + x) = 248 + 31x

843 = 248 + 31x + 54x

Simplify. Combine like terms

843 = 248 + (31x + 54x)

843 = 248 + 85x

Isolate the x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, subtract 248 from both sides.

843 (-248) = 248 (-248) + 85x

843 - 248 = 85x

595 = 85x

Isolate the x. Divide 85 from both sides

(595)/85 = (85x)/85

x = 595/85

x = 7

A student meal costs $7.

Plug in 7 for x in one of the equations:

a = 8 + x

a = 8 + (7)

Simplify

a = 15

An adult meal costs $15.

----------------------------------------------------------------------------------------------------

Check: Plug in $7 for student meal, and $15 for adult meal

843 = 31a + 54x

843 = 31(15) + 54(7)

Simplify. Remember to follow PEMDAS

843 = 465 + 378

Add

843 = (465 + 378)

843 = (843) True

-----------------------------------------------------------------------------------------------

Answer: <em>An adult meal costs $15</em>.

~

6 0
2 years ago
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