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Pepsi [2]
2 years ago
14

A ruler cost x pence. A pen costs 10 pence more than the ruler. Write an expression, in terms of x, for the cost of a pen .

Mathematics
1 answer:
cupoosta [38]2 years ago
5 0

Answer:

D. x + 10 pence

Step-by-step explanation:

Since the pen costs 10 pence more than the ruler, we need to add 10 to x.

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PLS HELP ME QUICK what is the answer image below
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Answer:

22

Step-by-step explanation:

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3 years ago
Elena is buying cups and plates for her party. Cups are sold in packs of 8 and plates are sold in packs of 6. She wants to have
Svet_ta [14]

Answer:

For 80 people, Elena would need

14 packs of plates and 10 packs of cups

She would have at least 80 of each.

I am not completely sure of this, sorry if wrong.

Step-by-step explanation:

80 people

8 cups per pack

6 plates per pack

8, 16, 24, 32, 40, 48, 56, 64, 72, 80

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84

LCM (least common multiple) = 24

8 0
2 years ago
Read 2 more answers
Find the area of an equilateral triangle (regular 3 Gon) with the given measurement 9 in perimeter a=SQ.in
blsea [12.9K]

Answer:

3.897 in^{2}

Step-by-step explanation:

equilateral triangles are also equiangular, meaning the have equal angles.

Triangle sum theory says that angles of a triangle add up to 180.

That means each angle is 60.

A = bh/2

You need the (h). The base of is 3.  Perimeter = 9, so each side is 3

Draw a perpendicular line for the height. The line cuts the base in half (1.5)

Using trigonometry you can find the height.

tan 60° = h/1.5

h = height, 1.5 is half of 3, 60° is the base angle.

multiply each side by 1.5

1.5(tan 60°) = h

h=2.598

then substitute h into formula

A= <u>(2.598)(3) </u>

           2

A = 3.897 rounded

4 0
3 years ago
Hay tres paralelos para el curso de cálculo diferencial y tres paralelos para algebra lineal. Un estudiante desea tomar ambos cu
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Answer:

mi español no es tan bueno si hay algún error en esto entonces lo siento

cursos en diferencial = a, b, c

cursos de álgebra = p, q, r

conjunto de estudiantes tomando ambos = {(a, p), (a, q), (a, r), (b, p), (b, q), (b, r), (c,p),(c,q),(c,r)}.

Step-by-step explanation:

márcame como el más inteligente

7 0
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The measure of an angle is 23 less than 5 times it’s supplement. Find the angle measurement. Show/explain work
sertanlavr [38]
Let the measure of an angle be "a"
let the supplement be "s"

a= s-23
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