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aniked [119]
3 years ago
8

PLEASE HELP WITH QUESTION, MARKING BRAINLIEST + POINTS!!!

Mathematics
1 answer:
JulijaS [17]3 years ago
8 0
1. This is a very easy question as you can just plug in 2 x-values and get the y-value, run a line through it, and you are done. 

For example,
x = 2t
x = 2(2) = 4
x = 2(3) = 6

Now, you know there are points at (2, 4) and (3, 6).

2. This one is a little tricky, but all it's saying is that it has a specified domain. The parametric equation only works for values -2 ≤ t ≤ 3. So, you can do the exact same thing, except your line will only exist for points through the x-values -2 and 3. Let's plug in numbers:

y = t + 5
y = -2 + 5 = 3
y = 1 + 5 = 6

Now you know that this line runs through (-2, 3) and (1, 6). Remember, your line starts at -2 and ends at 3. It can't go any further than that.
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Four percent of the welds on an automobile assembly line are defective. The defective welds are found using an X-ray machine. Th
Helga [31]

Answer:

a ) See Annex

b) P₁  =  0,0464       or    P₁  =  4,64 %

c) P₄  = 0,92   or   P₄  = 92 %

Step-by-step explanation:

b) P₁ [ X being defective ]  =  P₂   +   P₃

Where P₂  is the probability of X rays machine detects a weld defective and the weld is really defective

And  P₃  is the probability of X rays machine detects a weld defective and the weld is not defective

Then

P₂  =  0,04 *  0,92  =  0,0368

P₃  =  0,96 * 0,01  = 0,0096

Then  P₁  =  0,0368  +  0,0096

P₁  =  0,0464       or    P₁  =  4,64 %

c) P₄ = 0,04 *0,92

P₄  = 0,92   or   P₄  = 92 %

7 0
2 years ago
What is f(5) if f(1) = 3.2 and f(x + 1) =5over2 (f(x))?
Lubov Fominskaja [6]
F(5) would be 16. because f(1) is only 3.2 so if you multiply 3.2 x 5 you will get 16
6 0
3 years ago
PLS HELP QUICK!!!!!!!!!!!!!!
AlekseyPX

Answer:

2 to 1

Step-by-step explanation:

there is a ratio of 6 squares to 3 triangles

6/3, simplified would be 2/1

3 0
2 years ago
Quadrilateral ABCD is inscribed in circle Pas shown. Which statement is necessarily true?
Svetradugi [14.3K]

Given:

Quadrilateral ABCD is inscribed in a circle P.

To find:

Which statement is necessarily true.

Solution:

Quadrilateral ABCD is inscribed in a circle P.

Therefore ABCD is a cyclic quadrilateral.

In cyclic quadrilateral, opposite angles form a supplementary angles.

⇒ m∠A + m∠C = 180° --------- (1)

⇒ m∠B + m∠D = 180° --------- (2)

By (1) and (2),

⇒ m∠A + m∠C = m∠B + m∠D

This statement is necessarily true for the quadrilateral ABCD in circle P.

5 0
3 years ago
Calle had five times as many stickers as sara did and twice as many as juniper. Juniper had 25 stickers. How many stickers did t
n200080 [17]

Calle: has twice as many as Juniper so = 2*25 = 50

she also has 5 times as many as sara so if she has 50, you divide 50/5 = 10

Calle has 50 stickers, Sara has 10 and Juniper has 25.

So all together they have 85 stickers.

3 0
3 years ago
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