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tatuchka [14]
3 years ago
14

The product of two consecutive odd integers is 399. What equation would be used to solve

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
6 0

Step-by-step explanation:

the answer is in the image

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-15x+8y=-30 -5x+5y=-10
Scilla [17]

Answer:(x,y)=(6,10)


Step-by-step explanation:


4 0
3 years ago
The product of -3 and -7 is positive.<br><br><br> True or False
bagirrra123 [75]

Answer:

false

Step-by-step explanation:

cuz how could negative be positive

8 0
3 years ago
Read 2 more answers
Hey guys I need help plz asap
Ilya [14]
Answer:

Explanation:

AB = BC
=> Triangle ABC is an Isosceles Triangle
Thus, Angle C = Angle A
DE = BE
=> Triangle DEB is an Isosceles Triangle
Thus, Angle D = Angle B

Proof that triangle ABC and DEB are similar:

Angle DBE = Angle A (corresponding angle)
Angle BDE = Angle C (Both Triangle are Isosceles, if one pair of the angle are equal then the other pair should also be equal)

=> Triangle ABC ~ Triangle DEB (AA)

Therefore, Angle E = Angle B

Find angle B:

Angle C + Angle A + Angle B = 180
40 + 40 + angle B = 180
Angle B = 180 - 80
Angle B = 100 degree

But Angle B = Angle E = 100 degree

Therefore, Angle E = 100 degree
3 0
3 years ago
What is 9 times 52 using mental math property
arsen [322]
Everyone works differently in mental meth.

To calculate 9*52, we note that 9=10-1, so mentally calculate
9(52)
=(10-1)(52)
=520-52   [ subtract 20 from each number]
=(520-20)-(52-20)  
=500-32
=468.

Alternatively,
9*52=9*50+9*2=450+18=468

If  you're good with multiplication and division,
9*52=3*3(52)=3*156=450+18=468


3 0
3 years ago
Help me please!!! 45 points to whoever helps!!
kap26 [50]
I don’t know 775 re2566
7 0
2 years ago
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