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Mazyrski [523]
3 years ago
7

WORTH 20 POINTS!! HELP!!!

Mathematics
1 answer:
umka2103 [35]3 years ago
3 0
Expenditures are negatives do I'd use -42.50
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What is the value of m?<br> 2/3m + 3 - 5/6m = -15
riadik2000 [5.3K]
This is why you have a calculator m=3
4 0
2 years ago
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From triangle PQR is P = 90°, PQ = 15.5 dm and PR = 11,7 dm. Calculate QR in dm. Round to one decimal.
Irina18 [472]

Answer:

QR = 19.4

Step-by-step explanation:

Use Pythagoras because p = 90°

Qr is hypotenuse

; (15.5)² + (11.7)²

= 377.14

√377.14

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hope it helps ☺️

4 0
3 years ago
Solve the following equation: x + 5 = 42
Readme [11.4K]

Answer:

x = 37

Step-by-step explanation:

<u>Step 1:  Subtract 5 from both sides</u>

x + 5 - 5 = 42 - 5

x = 37

Answer:  x = 37

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3 years ago
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Suzie solved a linear equation for y. This equivalent equation was her result. y = 7x + 23 Which equations could have been the l
Alika [10]

Answer:

2, 3, 5

Step-by-step explanation:

The question asking for the linear equation Suzie manipulated. The answer should be equal to the starting equation. So, we just need to manipulate the option to y= mx + c format.

1.  y + 7x = 23

y=  -7x +23 (false)

2. . –7x + y = 23

y= 7x + 23 (true)

3. 2y – 14x = 46

2y= 14x+ 46

y= 7x +23 (true)

4. y – 7x = –23

y= 7x - 23 (false)

5. 7x – y = –23

-y= -7x -23

y= 7x + 23 (true)

6 0
3 years ago
Cory is hiking up a hill with a constant slope. The double number line shows that after Cory hikes 3 \text{ km}3 km3, start text
Andrews [41]

Answer:

The answer is "3 km ".

Step-by-step explanation:

Distance in (km): 3  \to 1

Elevation value in (m):  120 \to 40

\to \frac{3}{1} = 3 \ km \\\\\to \frac{120}{40} =\frac{12}{4} = 3 \ km

3 0
2 years ago
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