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3 years ago

What is this Measurement? I need help with this question.

Mathematics

1 answer:

borishaifa [10]3 years ago

5 0

Answer:

570g

Explanation:

each measurement is 10g (bc 100÷10=10) and as the line is on the 7th measurement you times it by 10 and add to 500

7×10 + 500

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A math test is worth 100 points and has 38 problems. Each problem is worth either 5 points or 2 points. How many problems of eac

Nat2105 [25]

Answer:

5 points question is 8

and 2 points questions is 30 !!

Step-by-step explanation:

Let the number of 5 points questions be x and number of the 2 points questions be y !!

Given :- The paper has 38 problems

i.e,

number of 5 points Q + number of 2point Q = 38

=> x + y = 38

=> x = 38 - y .... ( i )

And , The test worth 100 pts :-

There must be x number of Questions which carry 5 points and there must y number of questions which carries 2 points ( as assume above )

so, 5x + 2y = 100 .... ( ii )

Putting value of the x in ( ii )

5 ( 38 - y ) + 2y = 100

190 - 5y + 2y = 100

- 3y = - 90

y = 30

Putting value of y in ( i )

x = 38 - y

x = 38 - 30

x = 8

So, the Number of 5points Question is

x = 8

and , the number of 2 points questions is y = 30 !!

4 0

3 years ago

30 Points!

aliina [53]

Answer:

See the attached picture

4 0

3 years ago

What are compatible number of 7233 divided by 84

valkas [14]

To me, do the math using compatible number, means to estimate
7233 can round to 8000
and 84 can round to 80
now, this makes it easy, you can do it mentally, which is 100

In more detailed,
7233 can round to 7225
and 84 can round to 85
then, (not so obvious, but however) 85 times 85 equal 7225

so the compatible number of 7233 divided by 84, is 7225 and 85

I know it's a bit late, but hope it helps

4 0

3 years ago

How many almonds are in the bag?

rodikova [14]

69420
Almonds in hypothetical bag of which we cannot see

6 0

3 years ago

i am so confused, can someone please look at the picture and tell me the answer and how to get it. Please!

shtirl [24]

To ease your live re write each one by using sin, cos, tan, knowing well that:

cscx = 1/sin x ( sin of an angle = opposite side/hypotenuse(23)

secx = 1/cos x (cos of an angle = adjacent side/hypotenuse(23)

cotx = 1/tanx (tan of an angle = opposite side/adjacent side)

Work it out & if you have difficulties do let me know

6 0

4 years ago