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AveGali [126]
3 years ago
12

This shows a part of a multiplication table. Find the missing numbers. Explain how you found the numbers

Mathematics
2 answers:
DedPeter [7]3 years ago
5 0
Well the first part of the table is 7 cause 7x5- 35 x 6 is 42 x 7 49. Second part of the table is 8 x 5 40 x6 is 48 x 7 is 56. once you know this it is easy just to common factor it or just simply add 5 6 or 7 to the numbers already given

Alexus [3.1K]3 years ago
5 0

Answer: In the first column of the table, missing number is 49, while in the second column of the table, missing numbers are 48 and 56.

Explanation:

Since, it is the multiplication table, therefore there must be logic of multiplication.

In first column numbers are 35, 42.

And we can write them 7×5, 7×6.

So, the third number should be 7×7.

So the first column should be 7×5, 7×6 7×7 ⇒ 35, 42, 49.

Similarly the second column should be 8×5, 8×6, 8×7⇒40, 48, 56.


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Answer:

u^2 +7u -8=0  where u = 3x+2

Step-by-step explanation:

(3x+2)^2 + 7(3x+2) - 8=0

Let 3x+2 = u

u^2 +7u -8=0

7 0
3 years ago
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The length of a rectangle is 4 yd more than twice the width x. The area is 390
masya89 [10]

Step-by-step explanation:

step 1. let l be the length of the rectangle

step 2. l = 2x + 4

step 3. lx = 390 yd^2

step 4. (2x + 4)x = 390

step 5. 2x^2 +4x = 390

step 6. 2x^2 + 4x - 390 = 0

step 7. -4 +- sqr(4^2 -4(2)(-390))/2(2) quadratic formula

step 8. (-4 +- sqr(3136))/4

step 9. (-4 +- 56)/4

step 10. x = 13yd, l = 2x + 4 = 2(13) + 4 = 30yd.

3 0
3 years ago
enton is shopping for clothes during a special event. He pays $24.99 for a pair of jeans and $5.25 for a clearance-priced shirt.
Marianna [84]

Answer$18.12

Step-by-step explanation:

24.99+5.25-12.12=$18.12

7 0
2 years ago
HELP ASAP PLS 10 points AND BRAINLEST
erastova [34]

Answer:

ABC is congruent to EDC because m<3 = m<4 and m<1 = m<5

Step-by-step explanation:

m<3 and m<4 are vertical angles so they are congruent. m<1 and m<5 are alternate interior angles so they are also congruent.

5 0
2 years ago
If a gas-filled balloon rises 40 feet in the 1st minute, 60 feet in the 2nd minute, and 80 feet in the 3rd minute, how many feet
tresset_1 [31]
The distance traveled by the balloon in every minute makes an arithmetic sequence with a first term equal to 40 ft and common difference equal to 20. The nth term of an arithmetic sequence is calculated by,
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Substituting,
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Thus, the answer is letter B. 320 feet.
7 0
3 years ago
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