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larisa86 [58]
1 year ago
12

Find the solution(s) to the system y = x2-4 y = -2x – 5 ​

Mathematics
1 answer:
katen-ka-za [31]1 year ago
4 0

Answer:

=(-1,-5)

Step-by-step explanation:

y=X1=4

y=-2x-5-2

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I think the answer is y=8x but I’m not sure and neither are my parents. My parents told me to look it up but I can’t find any he
Ugo [173]
Y = 8x Yea that’s right
5 0
3 years ago
Plz help me solve it the question is below
AlladinOne [14]

Answer:

\frac{1024}{2025}

Step-by-step explanation:

\frac{3}{4}^{-4}  = \frac{1}{\frac{3}{4}^{4}  }

(3/4)^4 = 81/256

1 ÷  81/256 = 256/81

So;

\frac{256}{81} * \frac{4}{9} = \frac{1024}{729}

\frac{1024}{729} / n = \frac{1}{9/25}

\frac{1024}{729n} = \frac{25}{9} \\\\n = \frac{1024 *9 }{25 * 729}  = \frac{1024}{2025}

6 0
3 years ago
One number is 1/2 of another number. The sum of the two numbers is 21. Find the two numbers. Use a comma to separate your answer
Romashka-Z-Leto [24]
2x=y
x+y=21
x+2x=21
3x=21
x=7
y=2x
y=14
3 0
3 years ago
Jennie purchased a box of crackers from the deli. The box is in the shape of a triangular prism. If the volume of the box is 3,2
Mnenie [13.5K]

Answer:

Height of the triangular face of the box is 12 cm.

Step-by-step explanation:

This question is not complete; please find the question as the attachment.

Volume of a triangular prism = Area of the triangular base × height

It's given in the question, Volume of the prism = 3240 cm³

Height of the prism = 30 cm

By substituting these values in the formula,

3240 = B × 30

B = \frac{3240}{30}

B = 108 cm²

Area of the triangular face (B) = \frac{1}{2}(\text{Base})\times (\text{Height of the triangular base})

108 = \frac{1}{2}\times (18)\times h

108 = 9h

h = 12 cm

Therefore, height of the triangular face of the prism is 12 cm.                                        

7 0
3 years ago
Angle 6 and 7 are examples of which type of angle pair
-BARSIC- [3]

Answer:

vertical angles?

Step-by-step explanation:

6 0
2 years ago
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