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4 years ago

Someone Help me please

Mathematics

2 answers:

Katarina [22]4 years ago

7 0

Answer:

-1/2

Step-by-step explanation:

the number in front of the X when the equation looks like that is always the slope and the number that is added or subtracted after the x is the Y-intercept(where the line crosses through the Yaxis)

OLEGan [10]4 years ago

3 0

Answer:

-1/2

Step-by-step explanation:

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ZA and ZB are supplementary angles. If mA = (2x − 9)º and m

Papessa [141]

angle A = 30

(2x-9) = (2x+21)
+9 +9
2x=2x+30

-2x -2x

=30

6 0

1 year ago

A triangle has a base that is 3 times the height. The area of the triangle is 63 cm^2. Find the height of the triangle. Round yo

Anni [7]

Answer:

Step-by-step explanation:

Let height = x cm

Base = 3x cm

Area of triangle = 63 cm^2

$\frac{1}{2}*3x*x=63\\\\\frac{1}{2}*3*x^{2}=63\\\\x^{2}=63*\frac{2}{3}\\\\x^{2}=21*2\\x^{2}= 42\\\\$

x = 6.48

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3 years ago

The baseball team has a double-header on Saturday. The probability that they will win both games is 50%. The probability that th

Tanzania [10]

Answer:

77%

Step-by-step explanation:

Given the following :

Probability of winning both games = 50%

Probability of winning just the first game = 65%

Let the probability of winning the ;

First game = p(A) = 65%

Second game = p(B)

Both games = p(A and B) = 50%

What is the probability that the team will win the 2nd game given that they have already won the first game

The above question is a conditional probability question :

Probability of winning the second Given that they've already won the first = p(B | A)

p(B | A) = (A and B) / p(A)

p(B | A) = 50% / 65%

p(B | A) = 0.5 / 0.65

p(B | A) = 0.7692307

= 76.9% = 77%

3 0

3 years ago

Hey I need to point of rotation for this question. Need the answer asap :)

Neko [114]

Answer:

see explanation

Step-by-step explanation:

the vertices of S under the translation $\left[\begin{array}{ccc}0\\-3\\\end{array}\right]$ are

(2, 3 ) → (2, 0 )

(6, 3 ) → (6, 0 )

(4, 5 ) → (4, 2 )

Under an anticlockwise rotation about the origin of 90°

a point (x, y ) → (- y, x ) then the above coordinates become

(2, 0 ) → (0, 2 )

(6, 0 ) → (0, 6 )

(4, 2 ) → (- 2, 4 )

which are the coordinates of the vertices of the image T

then the rotation is 90° anticlockwise about the origin , point (0, 0 )

6 0

2 years ago

Read 2 more answers

The mass of a puppy is 5kg. As it grows, the mass increases by 300%<br> Work out the new mass

Leno4ka [110]

Answer:

20 kg

Step-by-step explanation:

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2 years ago