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Readme [11.4K]
3 years ago
13

On Sunday morning the temperature was 8°F. By Sunday evening the

Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0

Answer:

-3 degrees

Step-by-step explanation:

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True or false 33 over 3 equals 11.3? ​
Leno4ka [110]

Answer:

fals it would be 11

Step-by-step explanation:

11 x 3 = 33

3 x 11 = 33

33 divide 11 = 3

33 divide 3 = 11

7 0
3 years ago
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What inverse operation is used to solve the equation? x 2 = 10
Alla [95]

Answer:

5

Step-by-step explanation:

? x 2 = 10

     /2     /2

? =5

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3 years ago
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Which of the following are mathematical sentences? Check all that applu
irina1246 [14]

Answer:

The correct options are:

A, B, and E.

Step-by-step explanation:

A mathematical sentence (or a mathematical statement) is a sentence that can be true or false.

This is the only criteria we need to check, now let's analyze each option.

A: 4 - d = 12

This can be true or false, for example, if d = 0 the sentence is false because:

4 - 0 = 12

4 = 12 is false.

and if d = -8 the sentence is true, because:

4 - (-8) = 12

4 + 8 = 12

12 = 12

is true.

B: 4 - V > 2

This sentence can be true or false, same reasoning as before, we can find values of V such that this is true or false.

C: 3 + 2

Now, here we can't say if this is true or false, so this is not a mathematical sentence.

D: 59

Same as before, this is just a number.

E: 6 + a = 13

This can be true or false, depending on the value of a, then this is a mathematical sentence.

F: 12*x

Here we can not say if this is true or false, so this is not a mathematical sentence.

The correct options are:

A, B, and E.

5 0
2 years ago
X-5y=2 and 9x+8=15 solve by substitution
lozanna [386]
x-5y=2
Hence x=2+5y   (Equation I)
9x+8=15             (Equation II)
Substituting Equation I in Equation II
9(2+5y)+8=15
18+45y+8=15
26+45y=15
45y=-11
Hence y= - \frac{11}{45}

Substituting this in Equation in I to get X

x-5(- \frac{11}{45} )=2
x+ \frac{11}{9}=2
x= 2- \frac{11}{9}
x= \frac{17}{9}
7 0
3 years ago
Esitmate 242 PLEASEEEEEEEEE I NEED THIS
horsena [70]

Answer:

im confused lol ill editthis once you give me the full thing

Step-by-step explanation:

3 0
2 years ago
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