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zimovet [89]
3 years ago
15

Help me pls i need help​

Mathematics
2 answers:
Igoryamba3 years ago
6 0

Jack needs 72 feet of fencing.

You had to do 4 ft x 18 ft which would give you the answer of 72. To find the area of a rectangle you do length x width.

bekas [8.4K]3 years ago
5 0

He's going to put fence <em>around</em> the garden. This means that they question is asking for the perimeter (which is length + length + width + width) so the perimeter is 18 + 18 + 4 + 4, or 44ft of fencing

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What integers fall between the square root of 12
Dafna1 [17]
The square root of 12 is 3.4.
Your integers are 3 and 4.
I hope this helps!
7 0
3 years ago
13. Suppose the probability of passing a driving test is 65%. (a) On a certain afternoon 15 people are tested. (i) What is the e
Alex_Xolod [135]

Answer: 9

Step-by-step explanation:

Based on the information given in the question, the expected number of people who pass will be calculated as:

= Probability of passing the driving test × Number of people tested

= 65% × 15

= 0.65 × 15

= 9.75

Therefore, expected number of people who pass is 9.

8 0
3 years ago
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining Bismuth-210 transforms i
Luden [163]

Answer:

Approximately 76.5 mg.

Step-by-step explanation:

Given,

The initial quantity of the Bismuth-210, P = 233 mg,

Also, the rate of decay per day, r = 13 %

Thus, the quantity of the Bismuth-210 after 8 days would be,

A=P(1-\frac{r}{100})^8

=233(1-\frac{13}{100})^8

=233(1-0.13)^8

=233(0.87)^8

=76.4733194697

\approx 76.5\text{ mg}

3 0
3 years ago
Jess shares £60 in the ratio 3:4
Nataliya [291]

Answer:

Amount of money share by Jess = £25.70

Another Amount of money share by Jess = £34.3

Step-by-step explanation:

Given:

Amount of money Jess have = £60

Sharing ratio = 3 : 4

Find:

Amount of money share by Jess

Computation:

Sharing amount = Shared ratio / Sum of ratio

Amount of money share by Jess = 60[3/(3+4)]

Amount of money share by Jess = 60[3/(7)]

Amount of money share by Jess = 180 / 7

Amount of money share by Jess = £25.70

Another Amount of money share by Jess = £60 - £25.70

Another Amount of money share by Jess = £34.3

7 0
3 years ago
Twice a number plus 6 is 20​
grigory [225]

Answer:

7

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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