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icang [17]
4 years ago
9

Maria said 7•3=21.Connie said 3•7=21.Who is correct? Explain.

Mathematics
2 answers:
Archy [21]4 years ago
8 0

Answer:

They are both correct.

Step-by-step explanation:

The answer is still the same regardless the order of the numbers.


miv72 [106K]4 years ago
4 0
They are both correct
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Can you help I’ll mark brainliest
Marta_Voda [28]

Answer:

7\sqrt{3}

Step-by-step explanation:

Since this is a 30-60-90 triangle, we know that the sides have the following characteristic:

The side opposite to 30 degree angle: n

The side opposite to 60 degree angle: n\sqrt{3}

The side opposite to 90 degree angle: 2n

Since we know that 7 is opposite to 30-degree, and x is opposite to 60 degree, than we know that x = 7\sqrt{3}

6 0
3 years ago
Marcus used a calculator to evaluate 54 ÷ 6 + 3 × 2 by entering
fiasKO [112]

Answer:

15

Step-by-step explanation:

The calculator is actually correct because he entered division before addition.

Following the Bodmas rule of

B= Brackets O= Off D= Division M= Multiplication A= Addition S= Substraction

And from the question 56÷6 + 3 x 2, when bodmas is applied here it becomes ; (56÷6) +( 3 x2)

And when brackets is removed , it becomes

9+6 = 15.

7 0
4 years ago
Malcom coasted 32 miles from moon ridge to me tone and then pedaled back hard. If the round trip took 4 hours, what was malcoms
AURORKA [14]

Answer:

Malcom's average speed was 16 miles/hour.

Step-by-step explanation:

Given:

Distance from moon ridge to me tone = 32 miles.

Now including returned back journey.

So we can say that.

Total distance traveled = 32+32 =64\ miles

Also Given:

Time taken to travel total distance = 4 hours.

We need to find the average speed in miles per hour.

Solution:

Now we know that;

average speed is equal to Total distance traveled divided by Total time taken to travel the total distance.

framing in equation form we get;

average speed = \frac{64}{4}=16 \ mi/hr

Hence Malcom's average speed was 16 miles/hour.

3 0
4 years ago
on a map to cities measure 6.2 cm apart if the scale of the map is 5 cm/ 10 miles and how many miles apart are the cities
yan [13]

the answer should be 12.1

6 0
3 years ago
Which two numbers multiplies to get -35 and adds to get - 3
Ghella [55]
A+b=-3, a=-3-b

ab=-35, and using a from above we get:

(-3-b)b=-35

-3b-b^2=-35

b^2+3b-35=0

b≈-7.6033 and 4.6033

So the two numbers are approximately -7.6033 and 4.6033
3 0
3 years ago
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