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Vsevolod [243]
3 years ago
14

This week, conrad will work 1 3/4 times as long as last week. giovanni will work 1 1/3 times as long as last week. sally will wo

rk 2/3 the number of hours she worked last week. match each employees name to the number of hours he or she will work this week ?
Mathematics
2 answers:
quester [9]3 years ago
8 0
Hi, thank you for posting your question here at Brainly.

This question could easily be solved if we knew the time each of them work last week. For educational purposes, let's assume it took each of them 8 hours last week. Then,

Conrad: (1+3/4)(8) = 14 hours
Giovanni: (1+1/3)(8) = 10.7 hours
Sally: (2/3)(8) = 5.3 hours
sweet [91]3 years ago
6 0

Answer:

Step-by-step explanation:

Conrad work 6 2/3 hours

Giovanni work 9 1/2 hours

Sally work 10 3/4

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Brian saved 30% of the money he earned.If brain earned $260,how much did he save?
mina [271]

30/100 = 0.30

0.30 * 260 = 78

He saved $78.

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3 years ago
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3.5 multiplied by 2y
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Step-by-step explanation:

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3 years ago
If the point (a,3) lies on the graph of the equation 5x + y = 8, then a=<br>a.01<br>b.0-1<br>c.0-7​
fomenos

Answer:

A (a = 1)

Step-by-step explanation:

A coordinate point is always in the form (x,y) that means the first point is always x-coordinate and the second point is always y-coordinate.

The equation given is:

5x + y = 8

The point is (a,3), so that means x = a and y = 3

We substitute the values into the equation and find a. Shown below:

5x + y = 8

5(a) + (3) = 8

5a + 3 = 8

5a = 8 - 3

5a = 5

a = 5/5

a = 1

Answer choice A is right

6 0
3 years ago
How do I solve this​
Alina [70]

\bf \qquad \qquad \textit{sum of a finite geometric sequence} \\\\ S_n=\displaystyle\sum \limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ r=\textit{common ratio} \end{cases} \\\\[-0.35em] ~\dotfill

\bf S_{20}=\displaystyle\sum \limits_{n=1}^{\stackrel{\stackrel{n}{\downarrow }}{20}}~\stackrel{\stackrel{a_1}{\downarrow }}{3}(\stackrel{\stackrel{r}{\downarrow }}{1.5})^{n-1}\implies S_{20}=3\left(\cfrac{1-1.5^{20}}{1-1.5} \right)\implies S_{20}=3\left(\cfrac{1-\stackrel{\approx}{3325.3}}{-0.5} \right) \\\\\\ S_{20}=3\left(\cfrac{-3324.3}{-0.5} \right)\implies S_{20}=3(6648.6)\implies S_{20}=19945.8

8 0
3 years ago
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A recent survey found that 7575​% of all adults over 50 wear glasses for driving. In a random sample of 4040 adults over​ 50, wh
malfutka [58]

Answer:

Mean = 30

standard Deviation = 2.74

Step-by-step explanation:

Formula

mean = np

Standard Deviation = \sqrt{npq}

from the question = 40

P = 75% or 0.75

q = 1 - p = 1 - 75% or 1 - 0.75

To find mean

mean = 40 x 0.75

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For Standard Deviation (SD)

Standard Deviation = \sqrt{npq}

       = \sqrt{40 X 0.75 X 0.25

      = \sqrt{7.5}

:. Standard  Deviation       = 2.74

5 0
2 years ago
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