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3 years ago

Three Packets of crisps cost £1.20 how much will 6 packets cost

Mathematics

1 answer:

a_sh-v [17]3 years ago

7 0

£2.40 because 1.20x2= 2.40. please give brainliest

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(X+3)(x+5) Expand and simplify?

bogdanovich [222]

$(x+3)(x+5)$

$x(x+5)+3(x+5)$

$x^2+5x+3x+15$

$\displaystyle x^2+8x+15$

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3 years ago

Read 2 more answers

456000 has been rounded to the nearest thousand. What is the smallest possible number this could have been

irina [24]

Answer:

457,000 is your answer to the question

Step-by-step explanation:

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3 years ago

PLS HELP ASAP I WILL GIVE BRAINLIEST

Olin [163]

Answer:

Step-by-step explanation:

Scott is getting balloons for his uncle's birthday party. He wants each balloon string to be 6 feet long. At the party store, string is sold by the yard. If Scott wants to get 59 balloons, how many yards of string will he need?

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3 years ago

Plz help me!!!!!!!! Which expressions are equivalent? A. B. C. D.

likoan [24]

Answer:

Option A

Step-by-step explanation:

The answer is Option A because $- \frac{2}{3} j + \frac{1}{5}k$ can be writen as $\frac{1}{5}k - \frac{2}{3}j$ .

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2 years ago

Seven pieces of rope have an average (arithmetic mean) length of 68 centimeters and a median length of 84 centimeters. If the le

Svet_ta [14]

Answer:

The maximum possible length, in centimeters, of the longest piece of rope is 134 cm

Step-by-step explanation:

Let the seven pieces be a,b,c,d,e,f,g

Average of 7 pieces of ropes =68

$Average = \frac{\text{Sum of all lengths}}{\text{No. of pieces}}$

$68= \frac{\text{Sum of all lengths}}{7}$

$68 \times 7 =\text{a+b+c+d+e+f+g}$

$476=\text{a+b+c+d+e+f+g}$ --A

We are given that the median length of a piece of rope is 84 centimeters.

We arrange the pieces in the ascending order

So, median will be the length of 4th piece

So, d = 84 cm

the length of piece a,b,c will be less than 84 and the value of e,f,g must be greater than or equal to 84

Let us suppose the length of a,b,c be x

Let us suppose the length of e,f be 84

The length of the longest piece of rope is 14 centimeters more than 4 times the length of the shortest piece of rope

So, g = 4x+14

Substitute the value in A

$476=x+x+x+84+84+84+4x+14$

$476=7x+266$

$\frac{476-266}{7}=x$

$30=x$

g = 4x+14=4(30)+14=134

Hence the maximum possible length, in centimeters, of the longest piece of rope is 134 cm

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2 years ago