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rewona [7]
3 years ago
9

Faith, Sarah, and Guadalupe take French, Spanish, and German. No person's language begins with the same letter as their first na

me. Sarah's best friend takes French.
Which language does each person take? (Show Work)
Mathematics
1 answer:
ipn [44]3 years ago
7 0
Sarah- German
Guadalupe- French
Faith- Spanish

I figures this out by seeing the fact that they gave which was that Sarah’s best friend takes French and it can’t be Faith because they learn a language that doesn’t start with the same letter as their name. If Sarah’s friend takes French then it can’t be Faith. What’s left is Spanish and German and Sarah and Faith. Faith can’t take French and Sarah can’t take Spanish so what’s left is Spanish for Faith and German for Sarah.
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How to solve this problem
Marysya12 [62]
0.5(x - 3) + (1.5 - x) = 5x
0.5x - 1.5 + 1.5 - x = 5x
-0.5x = 5x
5x + 0.5x = 0
5.5x = 0
x = 0


5 0
3 years ago
Find the linear approximation of the function g(x) = 5 1 + x at a = 0. g(x) ≈ use it to approximate the numbers 5 0.95 and 5 1.1
34kurt

Differentiating the function

... g(x) = 5^(1+x)

we get

... g'(x) = ln(5)·5^(1+x)

Then the linear approximation near x=0 is

... y = g'(0)(x - 0) + g(0)

... y = 5·ln(5)·x + 5

With numbers filled in, this is

... y ≈ 8.047x + 5 . . . . . linear approximation to g(x)

Using this to find approximate values for 5^0.95 and 5^1.1, we can fill in x=-0.05 and x=0.1 to get

... 5^0.95 ≈ 8.047·(-0.05) +5 ≈ 4.598 . . . . approximation to 5^0.95

... 5^1.1 ≈ 8.047·0.1 +5 ≈ 5.805 . . . . approximation to 5^1.1

3 0
3 years ago
A jewelry store bought a gold necklace and marked it up 110% from the original cost of $23.52. Later on, Dean purchased the gold
gladu [14]

Answer: The Solution is in the photo

4 0
3 years ago
Look at the two temperatures. How much have they changed by?<br> 4 degrees to -10 degrees
aliina [53]

Answer:

\displaystyle 14

Step-by-step explanation:

we are given two temperature

4 degrees and -10 degrees

since it says to figure out the changed

substract

\displaystyle 4 - ( - 10)

remove parentheses and change its sign

\displaystyle 4  + 10

simplify addition:

\displaystyle 14

and we are done!

4 0
3 years ago
Read 2 more answers
On the average, a certain light bulb is supposed to last 450 hours. If it
Dafna1 [17]

Answer:

72 novels

Step-by-step explanation:

A number of assumptions are involved regarding operating environment, utilization fraction, and probability of failure as a function of time. The precise meanings of the words "average", "supposed to last", "maximum", and "expect" are involved. The details are too arcane to go into here.

 (450 hours)/(6 1/4 hours/novel)

 = (450/(25/4)) novels

 = (450*4/25) novels

 = 72 novels

6 0
3 years ago
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