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Jlenok [28]
3 years ago
11

Find the value of the following (-42) + 15 + (-63) can someone say this and fast

Mathematics
2 answers:
Karolina [17]3 years ago
6 0

\\ \sf\longmapsto (-42)+15+(-63)

\\ \sf\longmapsto -42+15+(-63)

\\ \sf\longmapsto -27+(-63)

\\ \sf\longmapsto -27-63

\\ \sf\longmapsto -90

Alexxandr [17]3 years ago
6 0

Answer:

42 + 15 + (-63) = -90

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

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Is -5 2/3 the multiplicative inverse of 3/-17? ​<br><br>PLEASE HELP!!
Ostrovityanka [42]

Answer:

Yes

Step-by-step explanation:

Multiplicative Inverse of rational number:

       When we multiply a rational number and its multiplicative inverse, we get 1

     \sf -5 \dfrac{2}{3}=\dfrac{-17}{3}

  Now,multiply this with (3/-17)

          \sf \dfrac{-17}{3}*\dfrac{3}{-17} = 1

So, -5 2/3  is the multiplicatice inverse of 3/-17

3 0
2 years ago
What is the value of x in the equation 8x – 2y = 48, when y = 4?
Phoenix [80]
Hey there!

So, if y=(4), this would mean that we would do (2 \ * \ 4) and from this, we would get 8. 

We will then need to find what is (x).

(x) = 7

8*7 = \boxed{56}

So, the equation would really look like . . .

\left[\begin{array}{ccc} 8*(7)-2*4 = 48 \\ \\ x=\boxed{7}\end{array}\right]

Hope this helps.
~Jurgen
8 0
3 years ago
Can you guys help me with my homework?
tatiyna

Answer:

3π=3×3.14 =9.42

7π=7×3.14=21.98

Step-by-step explanation:

so the distance around window , in feet be

3π=3×3.14=9.42

7π=7×3.14=21.98

8 0
3 years ago
7oz is equal to how many lbs round it to the nearest tenth
Juli2301 [7.4K]
There are 16 ounces in one pound. So we do 7 divided by 16 to get our answer. 

7 / 16 = 0.4375 ≈ 0.4 lbs

7 oz is approximately 0.4 lbs. 
7 0
3 years ago
What is the domain and range of the set of ordered pairs?​
Delvig [45]

Answer:

D) would be the answer

Step-by-step explanation:

Domain is always the set of x-coordinates in the pairs and the range is always the set of y-coordinates in the pairs.

D: 7, -2, 4, -9, 0

R: 3, -2, 1, 0, 7

Put them in order from least to greatest.

D: -9, -2, 0, 4, 7

R: -2, 0, 1, 3, 7

5 0
3 years ago
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