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Lostsunrise [7]
3 years ago
9

A chemist weighed three separate test samples at 0.17 gram, 0.204 gram, and 2.3 grams. What is the total weight of the three sam

ples?
Mathematics
1 answer:
castortr0y [4]3 years ago
6 0
The word "total" tells you that we have to add:
0.17 g+ 0.204 g+ 2.3 g= 2.674 g.

Since 2.3 (g) has the least significant figures (which is 2) among the three numbers, the answer should also have 2 significant figures.

The final answer is 2.7 g.

Hope this helps~
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0.4 x 10 =....<br>1.25 x 10 = <br>97.465 x10 =​
chubhunter [2.5K]

Answer:

0.4 × 10 = 4

1.25 × 10 = 12.5

97.465 × 10 = 974.65

3 0
3 years ago
Consider the function. f(x)= -2/3x-24 Which conclusions can be drawn about f–1(x)? Select two options. f–1(x) has a slope of -2/
disa [49]

Answer:

(D) f^{-1}{(x$) has an x-intercept of (-36, 0).

(E)f^{-1}{(x) has a range of all real numbers.

Step-by-step explanation:

Given the function: f(x)= -\dfrac23x-24

f(x)+24= -\dfrac23x\\$Multiply both sides by $  -\dfrac32\\x=-\dfrac32(f(x)+24)\\f^{-1}(x)=-\dfrac32f(x)-36

When y=f(x)=0

f^{-1}(x)=-\dfrac32(0)-36\\f^{-1}(x)=-36

Therefore, f^{-1}(x)$ has a x-intercept of -36

Also, f^{-1}(x) has a range of all real numbers.

Therefore, Options D and E are correct.

5 0
3 years ago
Fatima drove 100 miles in 4 hours. What is the constant of proportionality for 100 miles in 4 hours and 200 miles in 8 hours? Pl
Helen [10]

Answer:

25

Step-by-step explanation:

4 hours goes into 100 miles 25 times.

3 0
3 years ago
Help me with this ASAP pleaseeeeeee
Zina [86]

Answer:

99

Step-by-step explanation:

You subtract 45 and 36 from 180

4 0
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Which function is represented by the graph?
solong [7]

Answer:

f(x) = |x + 1| – 3

Step-by-step explanation:

The given graph is a transformed absolute value function.

The parent function is

g(x) =  |x|

The graph is obtained by shifting, g(x) from the origin (0,0) to (-1,-3).

The transformed function is of the form:

f(x) =  |x - h|  + k

Where (h,k) is the vertex.

We substitute h=-1 and k=-3 to get:

f(x) =  |x -  - 1|  +  - 3

When we simplify we get:

f(x) =  |x  + 1|  - 3

3 0
3 years ago
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