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pantera1 [17]
3 years ago
8

Pls help! Due soon. I will give brainiest *no links*

Mathematics
1 answer:
Artyom0805 [142]3 years ago
5 0

Answer:

#2 a.

#3 c.

#4 a.

#5 c.

#6 b.

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Two computers just scanned for viruses at the same time. Computer A runs a virus scan every 2.75 days. Computer B runs a virus s
Elis [28]

Let the time taken by computer for virus scan be, 'x' days

We are given that Computer A runs a virus scan in every 2.75 days and Computer B runs a virus scan in every 3.5 days.

<h3>Amount of work done by computer A⤵️</h3>

Amount of work done in one day = \tt\frac{1}{2.75}

Amount of work done in x days = \tt\frac{x}{2.75}

<h3>Amount of work done by Computer B⤵️</h3>

Amount of work done in one day = \tt\frac{1}{3.5}

Amount of work done in x days = \tt\frac{x}{3.5}

Since, They are doing the same work the amount of work done is 1.

\sf \:  \frac{x}{2.75}  +  \frac{x}{3.5}  = 1

Solve for x ~

\sf \frac{x}{ \frac{11}{4} }  +  \frac{x}{ \frac{7}{2} }  = 1

\sf \frac{4x}{11}  +  \frac{2x}{7}  = 1

\sf \: 28x + 22x = 77

\sf \: 50x = 77

\sf \: x =  \frac{77}{50}

\boxed{ \bf \: x = 1.54}

➪ <em>Thus, the time taken when both computers run a virus scan at the same time again is, 1.54 days</em>

8 0
2 years ago
If The diameter of a circle is 14 yards.what is the circles circumference
amm1812

Answer:

14π yards^2, or 43.98^2 yards rounded to 2dp

Step-by-step explanation:

circumference = diameter x π

6 0
3 years ago
What would the graph of y=3/4x-7/8 be
babymother [125]
Ryanizaboss
what would the graph of y = 3/4x - 7/8 look like?
A. A straight line
B. A parabola
C. A curve
D. None of the above
3 0
3 years ago
What is the surface area, measured in square centimeters, of the shapebelow? Do not include units in your answer.
aleksandr82 [10.1K]

SOLUTION

The figure in the question is a cuboid with

length = 7 cm, width = 3cm and height = 4cm

Surface area of a cuboid is given as

\begin{gathered} S=2(lw+lh+wh) \\ S=2((7\times3)+(7\times4)+(3\times4))_ \\ S=2(21+28+12) \\ S=2(61) \\ S=2\times61 \\ S=122cm^2 \end{gathered}

Hence the answer is 122 square-centimeters

8 0
1 year ago
Would you measure the length of a jump rope in inches or feet explain
shutvik [7]
Feet, its in a larger scale, and jump ropes are long objects.
6 0
3 years ago
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