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3 years ago

Quadrilateral ABCD is reflected across the y-axis and translated 1 unit down to create quadrilateral EFGH .

Mathematics

1 answer:

serious [3.7K]3 years ago

6 0

Assuming that the answer choices read that two segments are parallel to each other than the answer is:
GH is parallel to FE

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Tests show that the hydrogen ion concentration of a sample of apple juice is 0.0003 and that of ammonia is 3.1 x 10^-9. Find the

scoundrel [369]

PH can be calculated using the following equation
pH = -log [H₃O⁺]
for apple juice the hydronium /hydrogen ion concentration is 0.0003
pH = -log (0.0003)
pH = 3.5
correct answer is C

For ammonia
pH = -log (3.1 x 10⁻⁹)
pH = 8.5
answer should be 8.5

5 0

2 years ago

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If the points (-2, 2), (-4, 4), (2, -2), and (4, -4) are joined to form a straight line, at what point does the line intersect t

BlackZzzverrR [31]

The line would intersect with the y-axis at (0,0)

8 0

3 years ago

From the table below, determine whether the data shows an exponential function. Explain why or why not.

Ierofanga [76]

X        Δx                                 y             Δy

3                                               1

1        1 - 3 = - 2                        2             2 - 1 = 1

-1        -1 - 1 = -2                      3            3 - 2 = 1

-3        -3 - (-1) = -2                  4               4 - 3 = 1

So, as you see y in increasing in regular constant intervals, when x also increases in regular constant intervals. => Δy / Δx = constant.

That is the result of a linear function, not an exponential one.

So, the true statement is given by the option <span>(A) No; the domain values are at regular intervals and the range values have a common sum 1. </span>

8 0

3 years ago

What is the estimate for 312+138+207

eimsori [14]

Answer:

657

Step-by-step explanation:

312 + 138 + 207

= 450 + 207

= 657

8 0

3 years ago

Read 2 more answers

Answer these three questions for 100 points

pochemuha

Answer: C, A, D

edit - sorry the title was wrong earlier

Step-by-step explanation:

Question 1

in the quadratic formula, the equation is in the format of ax^2 + bx + c

so rearrange this equation so all values are on one side

-6x^2 = -9x + 7

-6x^2 + 9x - 7 =0

so a = -6, b = 9, c = -7

answer = C

Question 2

note that all the values are already on one side for this, so repeat the process from question 1 where the equation is in the format of ax^2 + bx + c

the equation = −6x2 − 8x + 12 = 0

so a = -6, b = -8, c = 12

answer = A

Question 3

(see picture below for steps)

following the same process above, a = 4, b = 45, and c = 24, so plug these values in the quadratic equation shown in the picture below

so you get the answers x = -10.69 and x = -0.56 after putting them in a calculator

answer = D

8 0

3 years ago

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