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3 years ago

Plsssssssssssssss helpppppppppppppppppppppppppppppppppp

Mathematics

1 answer:

Schach [20]3 years ago

5 0

Answer:

96cm^2

Step-by-step explanation:

A=L×w

A=8×12

A= 96

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4 bells toll together at 9 am. They toll after 7, 8. 11 and 12 seconds respectively. How many times will they toll together agai

Svetach [21]

Answer:

5 times

Step-by-step explanation:

What we need to do here is to find the lowest common multiple of 7,8,11 and 12

This is;

1848

Now, let’s calculate the number of seconds in 3 hours

In 1 hour, we have 3600 seconds

In 3 hours, this will be;

3600 * 3 = 10,800 seconds

So, to find the number of times in which all 4 will toll together, we need to know the number of 1848 seconds in 10,800 seconds

Mathematically, that will be;

10,800/1848 = 5.844

Our answer will be 5 times however

This is because the sixth time they would have sounded together would be more than the 3 hours time frame

8 0

3 years ago

Please help me with this one.

borishaifa [10]

Answer:

V = 16
W = 48

Step-by-step explanation:

The triangles are congruent when corresponding sides are congruent.

ΔFGH ≅ ΔABC means corresponding sides are ...

(GH, BC) = (V, 16)

(HF, CA) = (48, W)

Corresponding sides being congruent means ...

V = 16

W = 48

5 0

2 years ago

Competition is most intense between closely related species that __________. have different beak sizes use different resources u

kupik [55]

Competition is most intense between closely related species that use the same resources, as both species are competing for these limited resources.

3 0

3 years ago

a farmer examinea sample of 25 egg cartons and finds three cracked eggs whast the best predictions of the number of cartons with

Lana71 [14]

It's C because 500/25 = 20 and 20x3=60

7 0

3 years ago

Question 3 of 10 * - 3 is a factor of P(x) =*? – 73? + 158-9 O A. True O B. False

Elina [12.6K]

Given,

The expression is,

$P(x)=x^3-7x^2+15x-9$

If x- 3 is the factor of the given polynomial function, then on substituting the value of x = 3 in the polynomial function, it become zero.

Thus subsituting the value of x in the polynomial,

$\begin{gathered} P(3)=3^3-7\times3^2+15\times3-9 \\ =27-7\times9+45-9 \\ =27+45-63-9 \\ =72-72 \\ =0 \end{gathered}$

Here, the obtained value of polynomial is 0.

Hence, x-3 is a factor of the given polynomial.

Thus, option A(true) is correct.

6 0

1 year ago