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2 years ago

Adding and subtracting fractions

Mathematics

1 answer:

kakasveta [241]2 years ago

3 0

Answer:

Step-by-step explanation:

add the top of one and the bottom of the other then the top of the other and the bottom of one

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A fruit company delivers its fruit in two types of boxes: large and small. A delivery of

Tema [17]

Answer:

Small box weighs 13.75 kg & large box weighs 15.75 kg

Step-by-step explanation:

We can write 2 simultaneous equation and solve for weight of each box.

Let weight of large box be l and small box be s.

"3 large boxes and 5 small boxes has a total weight of 116 kilograms":

$3l+5s=116$

and

"9 large boxes and 7 small boxes has a total weight of 238 kilograms":

$9l+7s=238$

Now we can solve for l in the 1st equation and put it into 2nd equation and get s:

$3l+5s=116\\3l=116-5s\\l=\frac{116-5s}{3}$

now,

$9l+7s=238\\9(\frac{116-5s}{3})+7s=238\\3(116-5s)+7s=238\\348-15s+7s=238\\348-238=15s-7s\\110=8s\\s=\frac{110}{8}=13.75$

now we plug in 13.75 into s into equation of l to find s:

$l=\frac{116-5s}{3}\\l=\frac{116-5(13.75)}{3}\\l=15.75$

5 0

2 years ago

How do you write 5,392,029,004 in expanded form

Neko [114]

5,000,000,000 + 300,000,000 + 90,000,000 + 2,000,000 + 20,000 + 9,000 + 4

6 0

3 years ago

If BI=9 and HA=15, find the scale factor

inessss [21]

Answer:

5:3

Step-by-step explanation:

to find the scale factor you set up the proportion as 15/9 and reduce to 5/3

7 0

2 years ago

Jimmy receives his first 3 video games free then pays $50 for each game after that. Is the amount of money he spends on video ga

bagirrra123 [75]

no and that's the answer.

4 0

3 years ago

Read 2 more answers

Help? Because my teacher doesn't want too

snow_lady [41]

M<ABC = m<EBD = 36 (vertical angles)

78 - x + 36 + 3x - 10 = 180 (straight angle)

Now solve for x

78 - x + 36 + 3x - 10 = 180
2x + 68 = 180
- 68 -68 (subtract 68 on both sides)
2x = 58
x = 29

7 0

2 years ago