All categories

3 years ago

Helppppp with 4A and 4B and 5 10 points!!!!!!

Mathematics

1 answer:

Arisa [49]3 years ago

5 0

4a is humpback whales, 4b is I DON'T KNOW,

You might be interested in

A jar contains sugar. The jar and the sugar have a total weight of 850 g. Anna uses 2/3 of the sugar. The jar and the sugar now

maria [59]

Answer:

$J = 370g$

Step-by-step explanation:

Given

Represent the weight of the Jar with J and the sugar with S

Initially, we have:

$J + S = 850g$

After 2/3 of sugar is removed we have:

$J + S -\frac{2}{3}S= 530g$

Required

Determine the weight of the jar

$J + S = 850g$ --- (1)

$J + S -\frac{2}{3}S= 530g$ --- (2)

Simplify (2)

$J + S -\frac{2S}{3}= 530g$

Take LCM

$J + \frac{3S - 2S}{3}= 530g$

$J + \frac{S}{3}= 530g$

Make S the subject in (1)

$J + S = 850g$

$S = 850g - J$

Substitute 850g - J for S in $J + \frac{S}{3}= 530g$

$J + \frac{850g - J}{3}= 530g$

Multiply through by 3

$3 * J + 3*\frac{850g - J}{3}= 530g * 3$

$3J + 850g - J= 1590g$

Collect Like Terms

$3J - J= 1590g-850g$

$2J= 740g$

Make J the subject

$J = \frac{1}{2} * 740g$

$J = 370g$

<em>The jar weighs 370g</em>

5 0

3 years ago

Read 2 more answers

One hose can fill a goldfish pond in 36 minutes, and two hoses can fill the same pond in 20 minutes. Find how long it takes the

rjkz [21]

Answer:

45 minutes

Step-by-step explanation:

It is given that one hose can fill a goldfish pond in 36 minute

So the the first hose can fill goldfish pond $\frac{1}{36}$ per minute

When both fill together then they fill in 20 minutes

So the the both hose can fill goldfish pond $\frac{1}{20}$ per minute

Let Goldfish pond filled by second hose $\frac{1}{x}$ per minute

so $\frac{1}{36}+\frac{1}{x}=\frac{1}{20}$

$\frac{1}{x}=\frac{1}{20}-\frac{1}{36}$

x=45 minutes

5 0

4 years ago

Read 2 more answers

The table shows the cost for taxi rides of various distances. Cost of Taxi Rides Distance, in miles (x) Cost, in dollars (y) 5 1

anyanavicka [17]

Answer:

The real answer to this question is B

Step-by-step explanation:

I made a 100 on my quizStep-by-step explanation:

6 0

3 years ago

Solve -9 <4x+3 11.

Dvinal [7]

Answer:

c) x > -3 or x ≤ 2

Step-by-step explanation:

We are asked to solve this algebraic expression

-9 < 4x+3 ≤ 11.

We have two parts:

a) -9 < 4x+3

b) 4x+3 ≤ 11

For

a) -9 < 4x+3

Subtract 3 from both sides

-9 - 3 < 4x + 3 -3

-12 < 4x

-12/4 < x

-3 < x

x > -3

b) 4x+3 ≤ 11

Subtract 3 from both sides

4x + 3 -3 ≤ 11 - 3

4x ≤ 8

x ≤ 8/4

x ≤ 2

Hence, our answer is

x > -3 or x ≤ 2

7 0

3 years ago

Can y’all convert these fractions to a percentage

nadya68 [22]

Answer:

All of them?!?!

Step-by-step explanation:

ill do a couple 1. 20% 12. 70% 26. 65% 17. 44%

5 0

3 years ago