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Liono4ka [1.6K]
3 years ago
7

56+-4

dle" class="latex-formula">
​
Mathematics
1 answer:
Rashid [163]3 years ago
6 0

Answer:

52

Step-by-step explanation:

56+-4=56-4=52

adding negatives is equal to subtracting the number

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Which description is correct for the x-intercept(s) of Function A and Function B?
ArbitrLikvidat [17]

Answer:

Step-by-step explanation:

Generally,

A straight line equation is given as

y = mx + c

Where,

m is the slope or gradient of the line

c is the intercept of y axis, when x = 0

Now,

Given the function A

g(x) = 0 7 0 2 -2

x = -2 3. 5 -1 0

So, we said the intercept c is when x = 0,

Therefore, in this case when x=0, g(x) = -2

Then, the intercept is -2 on y axis

Then, it has only one intercept, which is -2 on y-axis

To get the intercept on x axis, we will set y to zero,

In this case,

g(x) = 0, then, we have the intercept on x-axis to be -2 and 5

So it has 2-intercept on x axis, one positive and one negative

Given the function B

F(x) = |x| - 3

Comparing this to equation of a line, y= mx + c,

Then we notice that, the intercept is -3

Then, it has only one intercept which is -3 on y axis.

Now, to get the intercept on x axis, we will set f(x) = 0

F(x) = |x| - 3

0 = |x| - 3

Then, |x| = 3

Then, x = 3 or -x =3

Note that, |x| means x and -x

Then, x = 3 or x = -3

So it has also two intercept on the x axis, one positive and one negative.

Then, the third option is the correct option

Both functions have one negative and one positive x-intercept.

5 0
3 years ago
A squirrel burrowed 4 holes in 5 minutes. How many holes could the squirrel burrow in 15 minutes
photoshop1234 [79]

Answer:

12 holes

Step-by-step explanation:

multiply 4 by 3 which equals 12

7 0
3 years ago
Read 2 more answers
In Antartica the temperature can change drastically between day and night. At 3:00 pm, the tempature was a chilly 7 degrees Cels
NikAS [45]

Answer:

T = -17\,^{\textdegree}C

Step-by-step explanation:

The temperature at 7:00 pm is:

T = 7\,^{\textdegree}C + \left(-6\,\frac{^{\textdegree}C}{h}  \right)\cdot (4\,h)

T = -17\,^{\textdegree}C

4 0
3 years ago
Jessica has bought 18 pounds of dog food. She feeds her dog 2/3 pounds for each meal. For how many meals will the food last?
MAXImum [283]

Answer:

27 days

Step-by-step explanation:

It is a simple division question

18 / (2/3)

Multiply by reciprocal

18 * 3 / 2 = 27

7 0
3 years ago
Read 2 more answers
An offshore lighthouse is 2 kilometers from a Coast Guard station C and 2.5 kilometers from a hospital H near the shoreline. If
dangina [55]

Answer:

  4.3 km

Step-by-step explanation:

The law of cosines can be used to find the desired distance. If we call the lighthouse position point L, then we have ...

  CH² = LC² +LH² -2·LC·LH·cos(L)

  CH² = 2² +2.5² -2·2·2.5·cos(143°) = 10.25 -10cos(143°) ≈ 18.2364

  CH ≈ √18.2364 ≈ 4.27 . . . . km

The distance CH is about 4.3 km.

5 0
3 years ago
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