2 years ago

In five years the sum of Don's and Dan's

Mathematics

1 answer:

Rudik [331]2 years ago

3 0

Answer:

Step-by-step explanation:

You might be interested in

There are 10 less red skittles than orange skittles in the bag. The orange skittles are also twice the number of red skittles. F

Dmitry_Shevchenko [17]

20 skittles double the number of red

the red skittles have 10 skittles the orange skittles have 20 so its additon

------

6 0

3 years ago

Read 2 more answers

Which expressions are equivalent to 7b(3+c) ?

aliya0001 [1]

C because it's using the distributive property. It's breaking it down into sections.

8 0

3 years ago

If the first number is increased by 7 and the second number is reduced by 6 times, the sum of these numbers is 29.

Marta_Voda [28]

Answer:

First number = 20

Second number = 12

Explanation:

Let the 1st number be x

Let the 2nd number be y

=====================

Condition 1

$\sf \rightarrow x + 7 + \dfrac{y}{6} = 29$

$\rightarrow \sf x=-\dfrac{y}{6}+22$

=====================

Condition 2

$\rightarrow \sf 2y - (x - 5) = 9$

$\rightarrow \sf x = 2y -4$

=====================

Substitute equations

$\rightarrow \sf -\dfrac{y}{6}+22 = 2y-4$

$\rightarrow \sf y=12$

=====================

Find value of 1st number

$\rightarrow \sf x = 2y - 4$

$\sf \rightarrow x = 2(12) - 4$

$\rightarrow \sf x = 20$

7 0

2 years ago

What is y=x-4 2x+y=5

ahrayia [7]

If you would like to solve y = x - 4 and 2 * x + y = 5, you can do this using the following steps:

y = x - 4
2 * x + y = 5
_____________
2 * x + (x - 4) = 5
2 * x + x = 5 + 4
3 * x = 9 /3
x = 9 / 3
x = 3

y = x - 4 = 3 - 4 = -1

The correct result would be x = 3 and y = -1.

7 0

3 years ago

Read 2 more answers

Hello someone please help. 20 brainly poins

marusya05 [52]

Answer:

I think either A or B. not sure though

Step-by-step explanation:

4 0

2 years ago