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Valentin [98]
3 years ago
9

Which number sentence is true?

Mathematics
2 answers:
konstantin123 [22]3 years ago
5 0
The answer is B. 2.5+(-1.5)=1.0
storchak [24]3 years ago
5 0

Answer:

Therefore, B) 2.5 + (-1.5) = 1.0 is true.

Step-by-step explanation:

Given : Number sentences .

To find : Which number sentence is true.

Solution : We have given that numbers

We need to prove that is true,

Condition for true statement , left hand side and right hand side must be equal.

Then , 2.5 + (-1.5) = 1.0

Removing parenthesis

2.5 - 1.5 = 1.0

1.0 = 1.0

Left hand side is equal to right hand side.

Therefore, B) 2.5 + (-1.5) = 1.0 is true.

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Maggie brought $29.00 to the art supply store. She bought a brush, a sketchbook, and a paint set. The brush was 1 3 as much as t
JulijaS [17]

Answer:

17 dollars

Step-by-step explanation:

If I know what you're trying to ask, then simply multiply 4 by 2, which is 8.

8+4=12.

12-29=17

5 0
3 years ago
Divide 2.875x10^6by2.3x10^3
DerKrebs [107]

Answer:

1875L = 1.875x10^6 mL

multiply by density to get 2.14x10^6

multiply by percentage to get 6.63x10^4 g of NaCl (66.3 kg)

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Calculate the distance between the two given point T(6,-2),U(-2,-12)
slava [35]
Use the distance formula: \sqrt{(x2 - x1)^2 + (y2 - y1)^2}

(6, -2), (-2, -12)
\sqrt{(-2 - 6)^2 + (-12 - -2)^2} ⇒ \sqrt{(-8)^2 + (-10)^2}
\sqrt{64 + 100} ⇒ \sqrt{164}
\sqrt{164} = 12.8

The distance between points T and U is 12.8 units.
3 0
3 years ago
Among 500 freshmen pursuing a business degree at a university, 311 are enrolled in an economics course, 243 are enrolled in a ma
Allushta [10]

Solution :

Let A = Economics, B = Mathematics

n(A) = 311, n(B) = 243, $n(A \cap B) = 135$

a). So, $n(A \cup B) = n(A) +n(B) - n(A \cap B)$

                     = 311 + 243 - 135

                     = 419

b). n(A only) = 311 - 135

                   = 176

     n(B only) = 243 - 135

                   = 108

Exactly one of these two courses

  $=\frac{176+108}{500}$

  = 0.568

c). Neither economics nor mathematics

    $=\frac{500-419}{500} $

  $=\frac{81}{500}$

 = 0.162

7 0
3 years ago
John got 24 out of 25 total questions correct on his test. What percent did he score on his test?
mamaluj [8]

Answer:

24 out of 25 is equal to 96%

96% = A

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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