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mylen [45]
3 years ago
9

2x+3y+z i dont now how to do it

Mathematics
1 answer:
skad [1K]3 years ago
3 0

Answer:

z = 2 x + 3 y

Step-by-step explanation:

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Patti went to the bakery. She bought a loaf of bread for $3.49, 6 muffins that cost $1.25 each, and a bottle of juice for $1.79.
Maslowich

Answer:

7.22

Step-by-step explanation:

3.49+7.50+1.79= 12.78

20.00 -12.78=7.22

8 0
3 years ago
The governor's approval rating dropped by 40% to 18%. What was his approval rating before?
svet-max [94.6K]

Answer:

58%

Step-by-step explanation:

58 cuz 40+18=58

6 0
3 years ago
1. z²-9z=66<br> 2. y²+16y=17<br> 3. 2h²-5h=-1
soldier1979 [14.2K]

Hello,

Starting with problem one:

Subtract 66 from both sides.

z2−9z−66=66−66

z2−9z−66=0

Use quadratic formula with a=1, b=-9, c=-66.

z = 9/2+1/2√345

Problem two:

Subtract 17 from both sides.

y^2+16y−17=17−17

y^2+16y−17=0

Factor left side of equation.

(y−1)(y+17)=0

Set factors equal to 0.

y−1=0 or y+17=0

y=1 or y=−17

ANSWER: y=1 or y=−17

Problem 3:

2h^2−5h−(−1)=−1−(−1)

2h^2−5h+1=0

Use quadratic formula with a=2, b=-5, c=1.

ANSWER: h=5/4+1/4√17

Have an amazing day.

7 0
3 years ago
PLEASE ANSWER ASAP FOR BRAINLEST !!!!!!!!!!!!!!!!!!!!
fgiga [73]

Answer:

your answer will be Option C.256

Step-by-step explanation:

hope it helps

5 0
3 years ago
Which is equivalent to 216 1/3<br> 3<br> 6<br> 36<br> 72
pickupchik [31]

Answer:

the correct option is<u> d) 72</u>

Step-by-step explanation:

The given expression is 216\times \frac{1}{3}

first multiply numerator and then solve the fraction

216\times \frac{1}{3}=\frac{216}{3}

=\frac{216}{3}

solve the fraction,

=72

∴The equivalent expression of 216\times \frac{1}{3} is 72

Hence, the correct option is<u> d) 72</u>

8 0
4 years ago
Read 2 more answers
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