Can you tell me this two? Thanks

Answers

Answer 1

Answer: These are the answers to problems 29 and 30:
29. C
30. C

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The body of a person who weighs 50 kilograms contains around 2 × 10^2 grams of sodium chloride. How much sodium chloride is contained in the bodies of 1.8 × 10^3 people who each weigh 50 kilograms? Represent the answer in scientific notationA. 3.6 × 10^5 gramsB. 1.1 × 10^1 gramsC. 36 × 10^5 gramsD. 11 × 10^1 grams
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42 less than the product of 28 and an unknown number is 154

Answers

42 less than (-42) the product of (multiply) 28 (28) and an unknown number (x) is (=) 154
28 times x-24=154
pemdas
multiplication
28 times x=28x
28x-42=154
add 42 to both sides
28x+42-42=154+42
28x=196
divide both sides by 28
x=7
the number is 7

28X-42=154
+42 +42
-----------------
28X = 196
------ -----
28 28
X = 7

The Best way to Do it

A jacket is discounted 30% off. The original was $150.00. What is the new price of the jacket after the discount?

Answers

$105. 30% of 100 is 30 and 30% of 200 is 60 it'd be 45 off because it's the number between the 2. Leaving 150-45=$105

$50. So, first we have to take the original price and divide it. $150.00 divided by 3 equals $50.

In a recent golf match,Becky’s score was 5 less than Cathy’s score their combined score totaled 185 let b represent Becky’s score and c represent Cathy’s score which pair equation can be used to determine their scores

Answers

It says that b represents Becky’s score and c represents Cathy’s score.

Becky’s score was 5 less than Cathy’s score, its equation can be written as :-

b = c - 5

It says that their combined score totaled 185, its equation can be written as :-

b + c = 185

So, correct pair of equations is b = c - 5 and b + c = 185.

If Becky’s score was 5 less than Cathy’s, then we would write:

b = c - 5

If Becky’s and Cathy’s scores add up to 185, then we would write:

b + c = 185

These are the two equations:

b = c - 5

b + c = 185

Let f(x)=3x+5 and g(x)=x^2. Find (f+g)(x)

A) x^2+3x+5

B) 3x^3+5x^2

C) 3x^2+5

D) x^3+5

Answers

f(x)= 3x+5 and g(x)= x²

find (f+g)(x)

substitute g(x) into f(x)

3(x²)+5

the answer is C

$3 {x}^(3) + 5 {x}^(2)$

What is the missing number in 14,8,17,21,11,3,13 if the range is 20

Answers

The missing value is 23 because range is the largest number - smallest number and 3 is the lowest so 20-3. You can also do 1. 21-1

How can I find find the areas of the new shape

Answers

Answer:

Add the base of the triangle to the base of the rectangle and then multiply the rectangle height by the new rectangle base.

Step-by-step explanation:

Answer:

well it depends on what the other/old shape is are they congruent? parallel? you should probably have another shape with measurements to find the area.

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Factor completely x2 - 36.I think this is Prime is that correct

The length of the track at talladega superspeedway is 2.66 miles. If the race is 188 laps long , how many kilometers do the drivers cover in 1 race ? Please help