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3 years ago

Rick says to find 2 times 5, he can use counting by 5s: 5,10,15,20,25, What Rick did wrong

1 answer:

7 0

Ok so 5s to find 2*5 so s=2 so 5(2)=5*2=10 rick went wrong by counting 5 five times which is 5*5 not 2*5 which is 5+5=10 hope this helps! Thank you!

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Write a two-column proof. Given: Quadrilateral ABCD is a parallelogram; M is a midpoint of Segment AB; N is a midpoint of Segmen

Zigmanuir [339]

Answer:

The answer is given below

Step-by-step explanation:

Statement Reasons

ABCD is a parallelogram; M is a midpoint Given

of AB and N is a midpoint of Segment

AB//DC, therefore AM//NC For a parallelogram, opposite . sides are parallel to each other

AB≅DC For a parallelogram, opposite . sides are equal to each other

1/2AB≅1/2DC Since both sides are equal to . each other

1/2AB = AM and 1/2DC = NC M is the midpoint of AB and N . is the midpoint of DC Midpoint

. theorem

AM≅NC Substitution, since AB is also

. equal to BC

Quadrilateral AMCN is a parallelogram If opposite sides of a

. quadrilateral is equal and .

opposite, it is a parallelogram

6 0

3 years ago

8/9 kilogram of berries is put into a container that already has 7/3 kilogram of berries. How many kilograms are in the containe

velikii [3]

29/9 kilograms because 7/3 is equivalent to 21/9 and then 21/9+8/9 = 29/9

8 0

3 years ago

M mrs. Gallegos Burns 236 calories riding her bike each hour she wants to burn more than 590 calories riding her bike at the sam

NeX [460]

Answer: x > 2.5

Step-by-step explanation:

Since Mrs Gallegos burns 236 calories riding her bike each hour and she wants to burn more than 590 calories riding her bike at the same rate, the inequality that will represent the number of hours that she will use will be:

x > 590/236

x > 2.5

She must ride the bike for more than 2 1/2 hours to burn more than 590 calories.

4 0

3 years ago

Simplify the expression by combining like terms<br>14g-6-13g-7

frozen [14]

Answer:

g-13

Step-by-step explanation:

subtract 14g from 13 making it g and add 6+7

Hope this helps :P

7 0

3 years ago

Read 2 more answers

suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation for

lubasha [3.4K]

Equation: L= -0.5D+34.

The water level be 26 feet in 16 days.

<u>Step-by-step explanation:</u>

Let us consider the initial level (x=0) of the water is 34 feet. Then its coordinate point can be written as (0,34).

The water is receding at the rate 0.5 feet per day, which given us the information that 0.5 is the slope since it is the rate of change and it is decreasing so it is a negative slope.

⇒m= -0.5.

The line equation is y = mx+c. Let us rewrite as L= mD+c.

Where L is the level of water(y-axis) and D is the days(x-axis) and c is y-intercept.

⇒L= (-0.5)D+c.

To find y-intercept, substitute (0,34) (the known point from the graph) in the equation. Also, the point in y axis when x=0 is y-intercept.

34= (-0.5)(0)+c.

c=34.

∴L= (-0.5)D+34.

To find the days when the water achieves level as 26 feet:

26 = (-0.5)D+34.

26-34= (-0.5)D.

-8 = (-0.5)D.

D= $\frac{-8}{-0.5}$ .

D= 16.

7 0

4 years ago