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Sauron [17]
3 years ago
6

If it is true that z2 - 6 = 19, then z2 + 6 = ?

Mathematics
1 answer:
qwelly [4]3 years ago
5 0
The answer is probably the opposite which in this case would be -19 ?
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I WILL GIVE BRAINLIEST 6TH GRADE MATH
yaroslaw [1]

Answer:

A

Step-by-step explanation: If you count a the answer will be 48

5 0
3 years ago
Read 2 more answers
Please help! With steps included :)
Len [333]

Answer:

Top question: -7°

Bottom question : 18°

Step-by-step explanation:

Top question:

The base angles of am isosceles triangle are congruent:

x + 46 = 39 because the base angles of an isosceles triangle are congruent

x + 46° = 39°

x = -7°

Bottom question

The missing angle is 3x because the base angles are congruent

To find the value of x, we must add all the angles inside the triangle, and find the value of x that makes it equal to 180°

3x + 3x + 4x = 180°

10x = 180°

x = 18°

Sorry for the late post!

-Chetan K

8 0
3 years ago
The painting shown on the right has an area of 300 in^2. what is the value of x?
Nataly [62]

Answer: X = 10.20240940...

Step-by-step explanation:

x(2x + 9) = 2x^2 + 9x

2x^2 + 9x = 300

- 300 ON BOTH SIDES

2x^2 + 9x - 300 = 0

SOLVE USING THE QUADRATIC FORMULA

x = -b +/- all root (b)^2 - 4(a)(c) All over 2(a)

When all the values are plugged in:

When using "+" in the equation you should get:

x = 10.20240940…

When using "-" in the equation you should get:

x = −14.70240940…

Now.. you CANNOT have a negative length, so you cross of the negative value leaving you one value for x which is 10.20240940...

YOUR ANSWER IS:    x   =  10.20240940...

4 0
2 years ago
Which expression represents 7 less than the product of 11 and 4 .
ryzh [129]
The answer is (4x11)-7 i believe
3 0
3 years ago
Alex wants to have $3000 in his bank account after 4 years. If the account earns 6% interest compounded 2 times per year, how mu
ollegr [7]
A=p(1+i/k)^kn,,3000=p(1+0.06/2)^2*4==2,368.23
5 0
4 years ago
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