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3 years ago

How do you write a word problem for (5x2)x(3x15)?

2 answers:

6 0

So first you do 5 times 2 is = 10 and 15 times 3 is 45 so you add ten plus 45 is 55 and a word problem is ⬇️⬇️⬇️⬇️⬇️⬇️⬇️

Lauren has a collectiom of superheros in her room. Lauren has 2 shelves and 5
Super heros on each row. Her brother has 3 rows and 15 superheros on each row. But they decided to put it in the basment all together as one collection. How many shelves and superheros do they have in all??

zhenek [66]3 years ago

4 0

(5x2)x(3x15) is the same as writing the word problem of: Sue bought 5 2litre bottles of lemonade and 15 3litre bottles of cherryade for a party she was holding. How many litres of each drink did she buy altogether? Times your final two answers together. Hopes is helps! ;)

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Please help me with this probability question, I’ve got my maths exam tomorrow (13th June)

Evgen [1.6K]

$\dfrac{2}{n-1}=\dfrac{3}{n}-0.1\\2n=3(n-1)-0.1n(n-1)\\2n=3n-3-0.1n^2+0.1n\\0.1n^2-1.1n+3=0\\n^2-11n+30=0\\n^2-5n-6n+30=0\\n(n-5)-6(n-5)=0\\(n-6)(n-5)=0\\n=6 \vee n=5$

6 0

2 years ago

Find and simplify an expression for the area of two rows of b squares with side lengths of b centimeters. Please help!

Ronch [10]

Answer:

The complete area of the given figure is $(2 b^3) cm^2$

Step-by-step explanation:

Total number of rows = 2

Squares in each row = b

So, the total number of squares in 2 rows = 2 x ( Squares in 1 row ) = 2 x b

Also, side length of 1 square = b cm

As we know, AREA OF SQUARE = SIDE x SIDE

So here, area of 1 square = Side x side = b cm x b cm = $(b^2) cm^2$

⇒ The area of total (2b) squares = 2 b x ( Area of 1 square)

$= 2 b \times (b^2) = 2 b^3$

Hence, the complete area of the given figure is $(2 b^3) cm^2$

6 0

3 years ago

Hello can I have some help with this expand question 4(z+2)+4(z+3)

wel

Step-by-step explanation:

4(z+2)+4(z+3)

=4z+8+4z+12

=8z+20

by simplifying-

=2z+5

4 0

3 years ago

Read 2 more answers

Identify the series 2 + 5 + 8 + 11 + 14 + . . . as arithmetic, geometric or neither.

rusak2 [61]

2, 5, 8, 11, 14 is an arithmetic sequence

$a_1=2;\ d=3;\ a_n=2+(n-1)\cdot3=2+3n-3=3n-1$

4 0

3 years ago

Read 2 more answers

Solve by graphing <br><br> u=v and 6u=2v-24

Vadim26 [7]

Answer:

$u=-6 \\ \\ v=-6$

Step-by-step explanation:

In this exercise, we have two equations, namely:

$u=v \ and \ 6u=2v-24$

And we are asked to solve this problem by graphing. In this way, we can write a system of linear equations in two variables, but first of all, let's rewrite:

$u=y \\ \\ v=x$