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vlada-n [284]
3 years ago
12

Please help!! i’d really appreciate this! i’ll give you brainliest

Mathematics
1 answer:
const2013 [10]3 years ago
4 0

\huge\longmapsto\sf \mathfrak{Answer : }

Area of trapezoid :

\boxed{ \frac{1}{2}  \times (a + b) \times h}

where,

  • a and b are parallel sides
  • h is height

so,

\longmapsto{ \dfrac{1}{2}  \times (6 + 8) \times 4}

\longmapsto{2 \times 14}

\longmapsto{28}

hence, Area = 28 unit²

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Someone please help and explain will mark brainliest!!
kari74 [83]

Answer:

(a) x=5

(b) x= -1 1/3

(c) x= 1

Step-by-step explanation:

(a)                       (b)                        (c)

2(x-3)=4           −3(2x+1)=5          a(bx+c)=d

x−3=4/2           2x+1= −  5/3          d^1−1

x−3=2               2x= -5/3-3/3        d^0

x=2+3                 2x= -5-3/3           x=1

x=5                    2x= -8/3*2

                          x= -8/6

                          x= -4/3

                         

8 0
3 years ago
An insurance company found that 9% of drivers were involved in a car accident last year. If seven drivers are randomly selected,
zzz [600]

Answer: 0.1061

Step-by-step explanation:

Given : An insurance company found that 9% of drivers were involved in a car accident last year.

Thus, the probability of drivers involved in car accident last year = 0.09

The formula of binomial distribution :-

P(X=x)^nC_xp^x(1-p)^{n-x}

If seven (n=7) drivers are randomly selected then , the probability that exactly two (x=2) of them were involved in a car accident last year is given by :-

P(X=2)=^7C_2(0.09)^2(1-0.09)^{7-2}\\\\=\dfrac{7!}{2!5!}(0.09)^2(0.91)^{5}=0.106147867882\approx0.1061

Hence, the required probability :-0.1061

3 0
3 years ago
Please answer!!!!!!!!!!!
Zanzabum

Answer:

C.   f(a + 2) = \dfrac{5 + a}{a - 1}

Step-by-step explanation:

Replace x with a + 2 and simplify the expression.

f(x) = \dfrac{3 + x}{x - 3}

Let x = a + 2

f(a + 2) = \dfrac{3 + a + 2}{a + 2 - 3}

f(a + 2) = \dfrac{5 + a}{a - 1}

4 0
4 years ago
Read 2 more answers
Solve the system of equations using substitution.<br> X = 2<br> 4 = 2y - 6x
jeyben [28]

Answer:

-2y=-6(2)-4

-2y=-12-4

-2y/-2=-16/-2

y=8

5 0
4 years ago
Johnny has three apples his friend bob adds four more how much does he have.<br> 4+4=
astraxan [27]
First the equation is 3+4, which equals 7
5 0
3 years ago
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