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iogann1982 [59]
3 years ago
13

12d+34>100 Please help will brainliest

Mathematics
1 answer:
kifflom [539]3 years ago
5 0

Answer:

d > 5.5

d > 11/2

Step-by-step explanation:

To solve the inequality (find all possible values of "d" for the statement to be true), isolate "d". This means to separate it from all of the other numbers. Do this by performing reverse operations in reverse BEDMAS (brackets, exponents, division, multiplication, addition, subtraction) order.

12d + 34 > 100          

12d + 34 - 34 > 100 - 34       Subtract 34 from both sides. It's the reverse operation for adding 34.

12d > 100 - 34       34 - 34 on the left side cancels out

12d > 66       Simplify 100-34

12d/12 > 66/12   Divide both sides by 12 to isolate "d"

d > 66/12    Reduce to lowest terms. 66 and 12 are both divisible by 6.

d > 11/2        Answer in lowest terms

d > 5.5         Answer as a decimal

Therefore, for 12d + 34 > 100  to be true, "d" must be greater than 5.5 or 11/2.

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4|m−n| if m=−7 and n=2 i really need to know what this is asap please
vekshin1

Answer:

36

Step-by-step explanation:

Plug in -7 as m and 2 as n into the expression:

4 | m - n |

4 | -7 -2 |

Solve:

4 | -9 |

4(9)

= 36

6 0
2 years ago
Sin θ = 12/37. Find tan θ.
ivann1987 [24]

Answer:

B

Step-by-step explanation:

Use SOHCAHTOA.

sinθ = \frac{opposite}{hypotenuse}

Opposite side length= 12

Hypotenuse length = 37

Find the adjacent side length (b) using the Pythagorean theorem.

12^2 + b^2 = 37^2

b = 35

tanθ = \frac{opposite}{adjacent} = 12/35

Choice B is the correct answer.

6 0
3 years ago
Read 2 more answers
In triangle ABC, line A.B.=CB Angle ABC equals 4X -3, and angle CAB equals X -3, what is angle ACB
Soloha48 [4]

Answer:

∠ACB = 28.5

Step-by-step explanation:

In triangle ABC,

angle CAB = x-3

angle ABC = 4X-3

It is also given that AB=CB

We know that if two sides of any triangle are equal then corresponding sides must also be equal.

Hence

angle ACB = angle CAB

angle ACB = x-3    {Given that angle CAB = x-3 }

We know that sum of all three angles of a triangle is 180 degree so let's add given angles

angle ACB + angle CAB + angle ABC = 180

(x-3) + (x-3) + (4x-3) = 180

x-3 + x-3 + 4x-3 = 180

6x-9 = 180

6x = 180+9

6x = 189

x = 189/9

x= 31.5

Now plug value of x into

angle ACB = x-3 = 31.5-3 = 28.5

Hence final answer is

∠ACB = 28.5


3 0
3 years ago
There are two numbers. The first number is 4/9 of the second number. If the difference between the two numbers is 375, find the
erica [24]
X and y
x=4/9 times y

y is bigger so
y-x=375
x=4/9y
y-4/9y=375
5/9y=375
times both sides by 9/5
y=675

the 2nd number is 675
3 0
3 years ago
Please help me its do tomorrow
PolarNik [594]
2x+3 + 3x-4 + 2x+3 + 3x-4 = 78
10x -2 = 78
10x = 80
x=8

deck is 2(8)+3 by 3(8)-4, or 19 by 20
3 0
3 years ago
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