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eimsori [14]
3 years ago
14

2. What number will go in the blank so that the equation will have an

Mathematics
2 answers:
dolphi86 [110]3 years ago
7 0

Answer:

I think option B) -5

I hope help you

Katarina [22]3 years ago
7 0
B because a negative minus a negative is positive
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2. Kara works at a fine jewelry store and earns commission on her total sales for the week. Herweekly paycheck was in the amount
vagabundo [1.1K]
First, minus salary
paycheck=comission+salary
paychec-salary=comision
6500-1000=5500

comission/sales=5500/45000=0.122222222/1
pecent means parts ou fo 100
x%=x/100
0.122222/1 times 100/100=12.2222/100=12.222%

about 12%
7 0
4 years ago
Order of operation for (-6) (4) (-2)
olchik [2.2K]
It doesnt matter because you multiplying them all so you can do them in any order so -6 x 4 x -2= -24 x -2= 48
3 0
4 years ago
Read 2 more answers
Is (2, 1) a solution to this system of equations?<br> 4x + 12y = 20<br> x + y = 3<br> yes<br> no
dedylja [7]

Answer:

yes

I hope to help you

my dear

8 0
3 years ago
Read 2 more answers
Find the derivative r '(t) of the vector function r(t). t sin 6t , t2, t cos 7t Part 1 of 4 The derivative of a vector function
stich3 [128]

Answer:

r'(t)=(sin(6t)+6tcos(6t),2t,cos(7t)-7tsin(7t))

Step-by-step explanation:

We need to find the derivative r'(t) of the vector function :

r(t)=(tsin(6t),t^{2},tcos(7t))

In order to find r'(t), we are going to differentiate each of its components ⇒

We can write the following ⇒

r(t)=(f(t),g(t),h(t))=(tsin(6t),t^{2},tcos(7t)) ⇒

f(t)=tsin(6t)\\g(t)=t^{2}\\h(t)=tcos(7t)

Let's differentiate each function to obtain r'(t) :

f(t)=tsin(6t) ⇒ f'(t)=1.sin(6t)+t.cos(6t).6=sin(6t)+6tcos(6t) ⇒

f'(t)=sin(6t)+6tcos(6t)

Now with g(t) :

g(t)=t^{2} ⇒

g'(t)=2t

With h(t) :

h(t)=tcos(7t) ⇒ h'(t)=1.cos(7t)+t[-sin(7t)].7 ⇒

h'(t)=cos(7t)-7tsin(7t)

Finally we need to complete r'(t)=(f'(t),g'(t),h'(t)) with its components :

r'(t)=(sin(6t)+6tcos(6t),2t,cos(7t)-7tsin(7t))

7 0
3 years ago
An artist is creating a sculpture where a globe with a diameter of 48 inches sits in a cone like a scoop of ice cream. She wants
brilliants [131]

Answer:

115.2 inches

Step-by-step explanation:

What we must do is calculate the ratio between the real version and the version to be imitated, in this case the ice cream cone.

To calculate the ratio, we will do it through the diameter:

48 / 2.5 = 19.2

So the ratio is 19.2: 1

Which means that one inch of the ice cream cone represents 19.2 inches in the real version.

Therefore, in the case of height it would be:

6 * 19.2 = 115.2

Therefore, the height should be 115.2 inches.

8 0
3 years ago
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