Brennan ate 2 1/4 apples.Then he ate another 1 2/4 apples the next day.How many apples did Brennan eat altogether?Write in simplest.

Answers

Answer 1

Answer: 1. Convert the mixed fractions to a decimal. 2 1/4 is 2.25 1 2/4 is 1.5 2. Add them up. 3. 3.75 as a decimal or 3 3/4 as a mixed fraction or 15/4 as a improper fraction.

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At the local aquarium there are 10 dolphins 8 penguins and 4 whales what is the ratio of penguins to whales

Answers

A ratio compares two quantities.

penguins = 8
whales = 4

8:4 , now simplify

8/4 = 2
4/4 = 1

2:1 is the ratio.

Final answer: 2:1

A ratio compares 2 or more quantities. But when working with ratios you have to be VERY careful. What ever says to come in the ratio 1st it HAS to come first, cause if you change the order it will mess the ratio up. A ratio can be written in 3 ways:-

a to b
a:b
$(a)/(b)$

Now lets look at the information we have:-

10 - dolphins
8 - penguins
4 - whales

Now we need to find the ratio of penguins to whales. So it would look like this:-

penguins: whales
penguins to whales
$(penguins )/(whales)$

Penguins:- 8
Whales:- 4

So, the ratio of penguins to whales would look like:-

8 to 4
8:4
$(8)/(4)$

Now we will simply $(8)/(4)$

8 ÷ 4 = 2
4 ÷ 4 = 1

So, our new simplified ratio would be:- 2 to 1. 2:1. $(2)/(1)$ .

Hope I helped ya!!

A triangle's perimeter is x2-3x+10. Side 1 is -8x+5 and side 2 is 3x+3. What is the third side?

Answers

p = s1 +s2+s3

x^2-3x+10 = -8x+5 +3x+3 +s3

combine like terms

x^2 -3x+10 = 5x+8 +s3

subtract (5x+8) from each side

x^2 -8x +2 =s3

The third sdie is x^2 -8x+2

What value of z is a solution to this equation?
-29=6z–17
z=-4
or
z=-2

Answers

Answer:

z = -2

Step-by-step explanation:

Sbstitute it in for z in the equation.

1) add 17 to both sides -12=6z
2)divide both sides but -2=z

Can someone please help me with these ?

Answers

Answer:

Step-by-step explanation:

11) $√(8x+33) =3\n8x+33=9\n8x=-24\nx=-3$

Subtract 4 from both sides. Square each side. Subtract 33 from both sides. Divide each side by 8. Your answer is -3.

12) $7x-17=x^2-2x+1\n0=x^2-9x+18\n0=(x-6)(x-3)\nx=6, x=3$

Square both sides. Put all numbers on one side of the equation so that you can be equal to zero. Factor out and solve for x.

(link to the maths question) can anyone help?

Answers

first one

20cm=diameter
perimiter of this one is (pi times radius^2)divided by 2+ 20

diameter=2radius
radius=diameter times 1/2
diameter=20
20/10=radius=10

3.14 times 10^2=314
314 times 1/2=157
157+20=177 cm
perimiter=177 cm

Write three examples of decimals that have a 4 in the tenths place

Answers

.4975 .4783 and .43443

.4; .47; .45

Hope it helped

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