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4 years ago

Pleqse help me do this thank you

Mathematics

1 answer:

SpyIntel [72]4 years ago

5 0

Answer:

84 grams; 5 ounces

Step-by-step explanation:

1oz = 28g

3*1oz = 3*28g

3 oz = 84g

140g = 5*28g = 5*1oz

140g = 5oz

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There are 3.76 × 10 atoms in 1 gram of oxygen. How many atoms are there in 700 grams of oxygen? Write your answer in scientific

Sveta_85 [38]

Answer:

7.376 × 10²

Explanation:

3.76 x 10 * 700

7 0

3 years ago

Y=3x^2 + 7 + m have two intercepts ?

OlgaM077 [116]

Answer:

In general, quadratic equations have two x-intercepts. But sometimes it happens that a quadratic eqution has one x-intercept or no interepts. That's why we should fully analyze this equation:

Given the following equation: y=3x^2 + 7 + m

If y=0, then:

3x^2 + 7 + m = 0 ⇒ x^2 = (-m-7)/3

Then $x =$ ± $\sqrt{\frac{-m-7}{3}}$

Given that we can take the square root of a negative number, the only way this equation has two x-intercepts is if m<-7.

Summarizing:

The equation: y=3x^2 + 7 + m has two x-intercepts only if m is less than -7. If m equals -7, the equation has only one x-intercept, and finally, if m is greater than -7, the equation has NO x-intercepts.

4 0

3 years ago

Jacqueline will spend a fair spinner with the numbers 0 1 2 3 and 4 a total of three times if event a spinner lands on numbers a

WITCHER [35]

Events are said to be INDEPENDENT if the occurence of one does not rest or depend on the outcome of another. Therefore, since the outcome of event A and B does not depend on each other, then both events are INDEPENDENT

Giving a brief description of the options given :

• Dependent events are simply events where the outcome of one event affects the occurence of the other. This is usually related to selection without replacement, where the number of subjects changes after each selection.

• Mutually Exclusive events simply refers to a scenario whereby two events cannot occur simultaneously. For instance, obtaining a head and a tail simultaneously during a single coin throw.

• Complement events describes two exactly opposite events. For instance, the Complement of obtaining a 4 on a 6 - sided die roll is (1, 2, 3, 5, 6)

For the event described above , the occurrence of A does not hinder the occurrence of the other (not a dependent event ) and it is possible to have both events simultaneously (not Mutually exclusive) (If we have 3 in all throws then both events have occurred )

Therefore, the best description for events A and B is that both events are INDEPENDENT.

Learn more about independent events :

brainly.com/question/1393117

3 0

3 years ago

I need the answer to this question ASAP

Mila [183]

Answer

the answer is in the attached image

Step-by-step explanation:

just pretend the x is a d lol

8 0

2 years ago

What’s the correct answer for this question?

Fantom [35]

Answer:

A and B

Step-by-step explanation:

1) Distance to the focus

From (x,y) to the focus(2,-4) {using distance formula}

=√(x-2)²+(y+4)²

2) Distance to the directrix

Is, y+p where P here is (-6)

d2 = y+p

= y+(-6)

= y-6

5 0

3 years ago

Pleqse help me do this thank you​

Pleqse help me do this thank you