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Anna [14]
3 years ago
10

-5w=7-4w+8need help and need my work shown ​

Mathematics
1 answer:
Anestetic [448]3 years ago
6 0

Answer:

w = -15

Step-by-step explanation:

-5w = 7 - 4w + 8

Grouping like terms together,

-5w+4w = 7+8

-w = 15

w = -15

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What is the longest iron rod which can be placed flat across the diagonal of a 4m by 2.5m garden shed floor
gulaghasi [49]

Answer:

4.7m

Step-by-step explanation:

the length of longest iron rod which can be placed flat across the diagonal of the garden shed can be determined using the Pythagoras theorem,

The Pythagoras theorem : a² + b² = c²

where a = length

b = base

c = diagonal

4² + 2.5² = 22.25²

c =√22,25 = 4.7m

4 0
3 years ago
The population of bacteria in an
kenny6666 [7]

Answer:

Step-by-step explanation:

Future amount = 100(1+0.70)³

= 100 × 1.70³

= 491.3

491 bacteria

7 0
3 years ago
Which is an equation for the line that passes through (0,2) and (-2,0)
Arisa [49]
Y= x + 2

Plug in our x and Y values to check:

2 = 0 + 2
2=2 which is true.

0 = -2 + 2
0=0 which is also true, so it checks out.

I hope this Helps!
8 0
3 years ago
Large Number Calculations
pantera1 [17]

Answer:

19.2 kg

Step-by-step explanation:

Amount of Bananas consumed in US per year = 5.77 million metric tons

Since 1 million = 10^{6} and 1 metric ton = 1000 kg, we can write:

Amount of Bananas consumed in US per year = 5.77 \times 10^{6} metric tons

Amount of Bananas consumed in US per year = 5.77 \times 10^{6} \times 1000 = 5.77 \times 10^{9} kg

Number of people in US = 301 million = 301 \times 10^{6}= 3.01 \times 10^{8}

We have to find how many kilograms of bananas are consumed per person in 1 year in US. For this we have to divide the total amount of bananas eaten in US per year with total number of people in US, which will be:

\frac{5.77 \times 10^{9}}{3.01 \times 10^{8}} \\\\ = 19.2

This means, 19.2 kilograms of bananas are eaten in US per person in a year.

3 0
3 years ago
What is 990687 rounded off to the nearest thousands?​
vodomira [7]

Hello :D

To work this out we need to look at the thousands column. After you find the thousands column, you look at the column on the right side of it. If that number is higher than 5, you round it up. If it is 4 or lower, then you round it down.

990687

Thousands = 0687

It has a 6 next to it you round it up. So the answer would be 991000. I hope this helps

8 0
3 years ago
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