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Fofino [41]
3 years ago
7

HELPP ME PLEASEEE!!! don’t put those link/file things it gives me ur info and i can hack;)

Mathematics
1 answer:
Ivanshal [37]3 years ago
3 0

Answer:

2 x ( -4 ) = -8

Step-by-step explanation:

2 x 4 = 8

a negative x a positive = negative

so therefore the answer is -8

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this is 200 points my insta is niqdariot for the other 100 pleaseeeeeeeee help me asap its only 4 questions and I need all four
Kamila [148]

Answer:

19. parallel

20. corresponding

21. exterior

22. corresponding exterior angles

if not for the points i wouldve left u to suffer on ur own so yor welcome

8 0
3 years ago
Read 2 more answers
A pet store sells tropical fish. One week they sell 15 anglefish, 9 tetras, 42 guppies. The owner uses ratios of sales to compar
Ivahew [28]

Answer: 15:42or simplified 5:14


Step-by-step explanation:

15 angelfish to 42 guppies

15/3= 5

42/3=14

so the ratio of 15:42 is equal to 5:14

5 0
3 years ago
What formula do we use to find area of a circle?
mixas84 [53]

Answer:

Your answer is A.

Step-by-step explanation:

When finding the area, you multiply π (3.14) and the radius (r). Then, you square the product (x2).

So, it is A = πr2

Hope this helps! :)

8 0
3 years ago
Read 2 more answers
Write an equation for an ellipse centered at the orgin, which has foci ( plus minus 3, 0) and co-vertices at (0, plus minus 4)
Vadim26 [7]

Answer:

The answer is below

Step-by-step explanation:

The co-vertices of an ellipse are the endpoints of the minor axis. The equation for an ellipse is given by:

\frac{(x-h)^2}{a^2} +\frac{(y-k)^2}{b^2}=1

Where (h, k) is the center of the ellipse, (h, k±b) is the co-vertices, (h ± a, k) is the vertices, (h ± c, k) is the foci and c² = a² - b²

Since the center is the origin, hence (h, k) = (0, 0). i.e h = 0, k = 0.

Foci = (h ± c, k) = (± c, 0) = (±3, 0). c = 3

co-vertices = (h, k±b)  = (0, ±b)  = (0, ±4). b = 4

c² = a² - b²

a² = c² + b²

a² = 3² + 4² = 25

a = 5

Therefore the equation of the ellipse is:

\frac{x^2}{5^2} +\frac{y^2}{4^2}=1 \\\\\frac{x^2}{25} +\frac{y^2}{16}=1

6 0
3 years ago
Solve for the value of x - <br><br>5(4x-4)=5(3x+3)​
sattari [20]
<h2>Solve the equation:- </h2>

5(4x - 4) = 5(3x + 3) \\  \cancel5(4x - 4) = \cancel5(3x + 3) \\ (4x  - 4) = (3x + 3) \\ 4x - 3x = 4 + 3 \\ x = 7

<h2>Verification:- </h2>

Put the value of X in equation:-

LHS:-

5(4x - 4) = 5(4(7) - 4) \\ 5(28 - 4) \\ 5(24) = 120

RHS:-

5(3x  + 3) = 5(3(7) + 3) \\ 5(21 + 3)  \\  5(24)  =  120

LHS= RHS

Hence proved

5 0
3 years ago
Read 2 more answers
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