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3 years ago

Solve the equation 4(x+2)-17=35

Mathematics

2 answers:

Andrej [43]3 years ago

6 0

4(x+2)-17=35
4x+8-17=35
4x+8=52
4x=44
x=11

x=11
Hope this helped!! Could I be name the brainliest please?

Lostsunrise [7]3 years ago

3 0

X=11 I say .......... ...

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The product of two consecutive positive odd numbers is 195.By constructing a quadratic equation and solving it, find the two num

Tomtit [17]

Step-by-step explanation:

x = one odd number

the second odd number is (x+2), as both are consecutive.

so,

x × (x + 2) = 195

x² + 2x = 195

x² + 2x - 195 = 0

the formula to solve this is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

a = 1

b = 2

c = -195

x = (-2 ± sqrt(4 - 4×1×-195))/(2×1) =

= (-2 ± sqrt(4 + 4×195))/2 = (-2 ± sqrt(784))/2 =

= (-2 ± 28)/2 = -1 ± 14

x1 = -1 + 14 = 13

x2 = -1 - 14 = -15 which is invalid as the numbers are positive.

so, the two numbers are 13 and 15.

5 0

3 years ago

Brainliest!!!!

prohojiy [21]

Answer:

C.) 85

Explanation:

Given following:

f(x) = 4x + 21

g(x) = 2x + 2

While solving these function questions, go from right to left.

Steps:

f[g(7)]

f[2(7) + 2]

f[16]

4(16) + 21

6 0

2 years ago

Is -2 a solution to 4x^(3)-x^(2)+16x-4

sergiy2304 [10]

Answer:

Not a solution

Step-by-step explanation:

In order for $x=-2$ to be a solution, the result after substituting must be 0:

$4(-2)^3-(-2)^2+16(-2)-4\stackrel{?}{=}0$

$4(-8)-4-32-4\stackrel{?}{=}0$

$-32-40\stackrel{?}{=}0$

$-72\neq0$

Therefore, $x=-2$ is not a solution to $4x^3-x^2+16x-4$

3 0

3 years ago

I need to know how to solve it and get the answer right to check my work

Ede4ka [16]

Solve it by finding out how many times 22 can be put into 22, which is once, so the answer is 1.

3 0

3 years ago

Read 2 more answers

Find the sum of 7489, 4223 and 245

Kay [80]

Answer:

the sum of 7489, 4223 and 245 is :

11,957

Step-by-step explanation:

The word "sum" means to add so I just added it .

4 0

3 years ago