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tamaranim1 [39]
2 years ago
7

The expressions (30-2)(30+2) and 30^2-2^2 are equivalent and can help us find the product of two numbers. which two numbers are

they?
Mathematics
1 answer:
gtnhenbr [62]2 years ago
3 0

Answer:

  28 and 32

Step-by-step explanation:

The product indicated in your problem statement is ...

  (30 -2)(30 +2)

  = 28 × 32

The two numbers are 28 and 32.

__

The equivalent (30^2 -2^2) means that product is 900 -4 = 896.

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PLEASE HELP WILL MARK BRAINLIEST!
Kruka [31]

Answer:

Firstly, from the diagram we are given that the length of XB is congruent to BZ, and YC is congruent to CZ. Based on this information, we know that B is the midpoint of XZ, and C is the midpoint of YZ. This means that BC connects the midpoints of segments XZ and YZ. Now that we know this, we can use the Triangle Midsegment Theorem to calculate the length of BC. This theorem states that if a segment connects the midpoints of two sides of a triangle, then the segment is equal to one-half the length of the third side. In this scenario, the third side would be XY, which has a length of 12 units. Therefore, the length of BC = 1/2(XY), and we can substitute the value of XY and solve this equation:

BC = 1/2(XY)

BC = 1/2(12)

BC = 6

Step-by-step explanation:

Please support my answer.

6 0
2 years ago
The 7th grade has 195 students. There are 25 more girls than boys in the grade. How many boys are there in 7th grade
Cloud [144]

Answer:

85 boys, 110 girls

Step-by-step explanation:

85 boys+25 more girls= 110 girls

110 girls+85 boys= 195 total students

7 0
2 years ago
Read 2 more answers
How do I solve this problem?
Gre4nikov [31]
(6b + 42)(b - 3)
To check the answer, use the method FOIL.

3 0
3 years ago
How far is 0, 7 from the origin
Delvig [45]

Answer:

7

Step-by-step explanation:

Count the numbers in between (0,0) and (0,7).

5 0
2 years ago
Need help with 35 thank you so much!!
Yakvenalex [24]

If a pentagon is regular, then all of the sides are the same length. This means that

5x-4=2x+11 \iff 5x-2x = 11+4 \iff 3x=15 \iff x = 5

So, if x=5, the lengths of the sides evaluate to

5x-4 = 25-4=21,\quad 2x+11=10+11=21

So, all the sides of the pentagon are 21 units long, and AB is 21 units long as well, because all sides are the same length.

3 0
3 years ago
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