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2 years ago

PLEASE HELP ME ASAP!!!!!!

Mathematics

2 answers:

umka2103 [35]2 years ago

4 0

Answer:

They are vertical angles

Step-by-step explanation:

Since the angles are formed by the same two lines and share only a vertex, they are vertical angles.

attashe74 [19]2 years ago

3 0

Answer:

they are vertical angles

Step-by-step explanation:

just learned about this

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The base of a right pyramid is a regular hexagon with sides of length 12 m. The altitude is 6 m. Find the total surface area of

Eva8 [605]

Answer:

806.12 m

Step-by-step explanation:

Step 1: Write the data

Side (s) = 12

Altitude (h) = 6

Step 2: Write the formula for surface area of right hexagonal pyramid

Area = 3√3/2*s² + 3*s*√(h²+3s²/4)

Step 3: Substitute values of 's' and 'h'

Area = 3√3/2*(12)² + 3*(12)*√[6²+3(12)²/4]

Area = 806.12 m

Therefore, the total surface area of the pyramid is 806.12 m.

4 0

3 years ago

Let a, b, c, and d be non-zero real numbers. If the quadratic equation ax(cx + d) = -b(cx+d) is solved for x, which of the follo

LiRa [457]

Answer:

Option d

Step-by-step explanation:

given that a, b, c, and d be non-zero real numbers.

$ax(cx + d) = -b(cx+d) \\acx^2+x(ad+bc)+bd =0$

we can factorise this equation by grouping

$(acx^2+xad)+)xbc+bd) =0\\ax(cx+d) +b(cx+d) =0\\(ax+b)(cx+d) =0$

Equate each factor to 0 to get

$x=\frac{-b}{a} , \frac{-d}{c}$

Ratio of one solution to another would be

$\frac{-b}{a} / \frac{-d}{c} \\=\frac{ad}{bc}$

So ratio would be ad/bc

Out of the four options given, option d is equal to this

So option d is right

4 0

3 years ago

when buying lemonade mix , Cece spend $0.72 on a 6- ounce packet and $0.27 on a 3- ounce packet . Use unit rates to determine if

siniylev [52]

6- ounce packet rate = $0.72 .

In order to find the one ounce rate, we need to divide $0.72 by 6.

On dividing 0.72 by 6, we get $0.12.

Therefore, first unit rate is $0.12 per ounce.

3- ounces packet rate = $0.27.

In order to find the one ounce rate, we need to divide $0.27 by 3.

On dividing 0.27 by 3, we get $0.09.

Therefore, second unit rate is $0.09 per ounce.

<h3>So, we can say that each pair of rates is not equivalent. </h3>

3 0

3 years ago

Which table has a constant of proportionality between y and x of 0.9? HELLO SOMEONE PLZ HELP this all depends on me on getting a

kirill [66]

Answer:

Step-by-step explanation:

seeing input/ output boxes= function

y is proportional to some constant (k)(constant of proportionality) times x

y=kx

y=0.9(x)

plug and chug...

4(.9)=3.6

6(.9)= 5.4

12(.9)= 10.8

6 0

3 years ago

If f(x) = 6x – 9, evaluate f(x)/3 for x = -5 a. –7 b. –13 c. 7 d. 13

Sholpan [36]

$f(x)=6x-9\\\\\dfrac{f(-5)}{3}=\dfrac{6\cdot(-5)-9}{3}=\dfrac{-30-9}{3}=\dfrac{-39}{3}=\boxed{-13}$

5 0

3 years ago