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3 years ago

5 + 7 x 4 – (11 + 6)

2 answers:

7 0

You have to use bidmas first you do bracket so it’s 17 then you do multiple which is 28 then 28+5 is 33 then 33-17 is 16 =16

satela [25.4K]3 years ago

3 0

Answer:16

Step-by-step explanation:

Start with whats inside (11+6) (17) then you will multiply 7 and 4 = 28+5 =33 then back to 17,,,, 33-17=16

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Please help I’ll mark brainliest

denpristay [2]

Answer:

166.27 m2

Step-by-step explanation:

area of hexagon = $\frac{3*\sqrt{3} }{2}$ * $a^{2}$ where a = length of 1 side

this hexagon is made of 6 equivalent triangle

consider ABC triangle

let AC length be x

AB = 2 * AC = 2x = a

$bc^{2} = ab^{2} - ac^{2} \\(4\sqrt{3})^{2} =(2x)^{2} - x^{2} \\48=3*x^{2}\\ 16=x^{2} \\x=4$

Hence a = 8

hence area of hexagon = $\frac{3*\sqrt{3} }{2}$ * $a^{2}$ = $\frac{3*\sqrt{3} }{2}$ * $8^{2}$ = 166.27 m2

3 0

3 years ago

Convert 58 mph to deet per second.

katovenus [111]

First we can change the miles per hours into feet per hour. Every mile is 5280 feet so multiply 58 by 5280. 58*5280=306,240. Now you have 306,240 feet per hour which you then divide by 60 twice to get per second. 306,240/60=5,104ft per minute now divide again to find per second. 5,104/60≈85.1feet per second.

6 0

3 years ago

Read 2 more answers

Can someone pls help me with number 5 pls show your work so i can understand thanks

Natali [406]

Step-by-step explanation:

Let's represent Aaron's age with x and

Charlene's age with x+8

x+x+8=44

2x+8=44

2x=44-8

2x=36

x=36÷2

x=18

Aaron is 18 years old.

While Charlene is 18+8=26 years old.

Hope this helps!

7 0

3 years ago

How many 1/4 litre bottles can be filled from a jug containing 8 litres of water?

frosja888 [35]

Answer:

32 bottles

Step-by-step explanation:

In this scenario, we have to divide 8 by 1/4 to see how many of those 1/4-liter bottles can be filled with 8 liters of water. So, let's go ahead and see how this looks mathematically, then we'll start simplifying:

$\frac{8}{1}$ ÷ $\frac{1}{4}$

Dividing by a fraction is the same as multiplying by that same fraction's reciprocal, so we can rearrange our math to make things easier.

$\frac{8}{1}$ × $\frac{4}{1}$

Now, we can multiply the numerators and the denominators.

$\frac{8}{1}$ × $\frac{4}{1}$ $= \frac{32}{1} =32$

So 32 of those 1/4 liter bottles can be filled from a jug containing 8 liters of water. Hopefully this was helpful! If anything was confusing or didn't make sense, let me know so I can make things clearer. :)

6 0

2 years ago

Read 2 more answers

Two questions, both in photo, please help, thanks!

Olegator [25]

Answer:

Step-by-step explanation:

7 no

113+12x+7+90+90=360

300+12x=2=360

12x=360-300

x=60/12

x=5

9 no

10x-6+109+79+20x-2=360

30x+180=360

30x=360-180

x=180/30

x=6

7 0

3 years ago