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g100num [7]
4 years ago
7

Evaluate each expression 1/7 +- 5/7

Mathematics
1 answer:
Zigmanuir [339]4 years ago
6 0

Answer:

-4/7

Step-by-step explanation:

the expression already has the common denominator so all you have to do is add the numerator (1 and -5) which is -4.

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What is the length of side a?
Bad White [126]

\huge \bf༆ Answer ༄

According to given figure, The Triangle BDC is a right angled Triangle (Angle D = 90°)

So, we can apply Pythagoras theorem to find the Side a (Hypotenuse)

Now, let's solve ~

  • \sf \: BD {}^{2}   + CD {}^{2} =   BC {}^{2}

  • \sf4 {}^{2}  +  {3}^{2}  =  {a}^{2}

  • \sf16 + 9 =  {a}^{2}

  • \sf \: a {}^{2}  = 25

  • \sf \: a =  \sqrt{25}

  • \sf \: a  = 5 \: units

Therefore, Length of side a is 5 units ~

6 0
3 years ago
For each of the following numbers, write 4 decimals that would round to this whole number when rounde to the nearest whole numbe
Natalka [10]
Round to the nearest whole number:

a) 14 ⇒ 13.5 ; 13.9 ; 14.1 ; 14.4
b) 28 ⇒ 27.5 ; 27.9 ; 28.1 ; 28.4
c) 32 ⇒ 31.5 ; 31.9 ; 32.1 ; 32.4
d) 50 ⇒ 49.5 ; 49.9 ; 50.1 ; 50.4
e) 67 ⇒ 66.5 ; 66.9 ; 67.1 ; 67.4
f) 71 ⇒ 70.5; 70.9 ; 71.1 ; 71.4
g) 88 ⇒ 87.5; 87.9 ; 88.1 ; 88.4
h) 95 ⇒ 94.5; 94.9 ; 95.1 ; 95.4

If the following number is within the range of 1 to 4 then round down.
<span>If the following number is within the range of 5 to 9 then round up.</span>
8 0
3 years ago
Help ASAP
9966 [12]

Answer:

30.48 cm

Step-by-step explanation:

There are ~ 2.54 centimeters in 1 inch. If the ruler is 12 inches long, multiply 2.54 cm by 12:

12 inches x 2.54 cm = 30.48 cm.

5 0
3 years ago
X+3y=6 and 4x-2y=32 Solve each system of equations
Setler79 [48]

Answer:

x = 54/7 y= -4/7

Step-by-step explanation:

3 0
3 years ago
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Jason has 23 dimes and quarters in his piggy bank. If the value of these coins is $4.55, how many dimes does he have? Set up and
Luden [163]
95 hope this helps!!!!!!!!




7 0
3 years ago
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