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joja [24]
3 years ago
8

I need help with my homework​

Mathematics
2 answers:
posledela3 years ago
8 0

Step-by-step explanation:

9+8-7=(9+8)-7=17-7=10

7-5+6=(7-5)+6=2+6=8

-6*4(-1)=-6*(-4)=24

8/4*2=2*2=4

3(6+7)=3*13=39

5(10-1)=5*9=45

72/9+7=8+7=15

48/(4+4)=48/8=6

11Alexandr11 [23.1K]3 years ago
4 0

Answer:

1.) 10

2.) 8

3.) 24

4.) 4

5.)39

6.) 45

7.) 15

8.) 6

Step-by-step explanation:

1.) 9+8= 17, 17-7=10

2.) 7-5=2, 2+6=8

3.) 4(-1)= -4, -6(-4)=24

4.)8/4=2, 2(2)=4

5.) 6+7=13, 3(13)=39

6.) 10-1=9, 5(9)=45

7.) 72/9=8, 8+7=15

8.) 4+4=8, 48/8=6

Hope this helps.

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Write down the answers to a,b,c,d
aniked [119]

Answer:

(A) 1

(B) -2

(C) 3.5

(D) -0.5

Step-by-step explanation:

We can treat each thermometer like a vertical number line and read the values on each.

A is right on 1.

B is right on -2.

C is in the middle of 3 and 4, so 3.5

D is in the middle of 0 and -1, so -0.5

Hope this helped!

3 0
3 years ago
The ratio of the volume of two solids is 1331:729. What is the ratio of the surface area
katovenus [111]
Volume ratio = 1331/729 which is the cube of the linear scale factor.
To find the linear scale factor, let find the cubic root of the numerator & the denominator:

∛1331 = ∛11³  = 11

&  ∛729 = ∛9³  = 9

So the linear scale is 11/9 ==> then the ratio of their surface area will be:

11²/9² ==> 121/81.
Note, if you have a linear scale, then the surface will be the square othis scale & the volume will be the cube of the linear scale
8 0
3 years ago
26 divided by 000.0000000009
Flura [38]

Answer:

undefined

Step-by-step explanation:

The expression contains a division by  

0

The expression is undefined.

Undefined

7 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP *picture attached*
SVETLANKA909090 [29]

Answer:

x^{2} -2x-8

Step-by-step explanation:

(f g)(x) is equal to f(x) times g(x).  So you just need to multiply both of the equations together.  Use the foil method to multiply (x+2)(x-4)

(fg)(x)=f(x)*g(x)\\\\(fg)(x)=(x+2)(x-4)\\\\(fg)(x)=x^{2} -4x+2x-8\\\\(fg)(x)=x^{2} -2x-8\\

I have attached an image to better explain the foil method

4 0
3 years ago
Cual es la de Raiz de 2000
serg [7]

2000 | 2

1000 | 2

500 | 2

250 | 2

125 | 5

25 | 5

5 | 5

1

√2000 = √2².√2².√5².√5

√2000 = 2.2.5√5

√2000 = 20√5

(aproximadamente 44.72135955)

4 0
3 years ago
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