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QveST [7]
2 years ago
13

Help I need to submit soon

Mathematics
2 answers:
Ostrovityanka [42]2 years ago
8 0

Answer:

4

Step-by-step explanation:

I don't know if u want the explanation

Y_Kistochka [10]2 years ago
5 0
I got 4 as the answer
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The equation for picture D is 13 4/5 = w + 3 4/5. What is the solution? Write the number answer only. Please do not write the va
aksik [14]

Answer:

13 4/5 = 10 + 3 4/5

Step-by-step explanation:

4 0
2 years ago
If 5/8 yards of fabric costs 3.75 dollars what does one yard cost
Sladkaya [172]
3.75 / 5 =0.75
0.75 x 8 = 6
So one yard is 6
Sorry, I’m not American so I don’t know about dollars but this should be correct x
4 0
3 years ago
Solve: the sum of two numbers is 70. one number is 4 times the other. what are the two numbers?
Thepotemich [5.8K]
Lets say two numbers are x and y

x+y=70-----------------------eq1

x=4y--------------------eq2

4y+y=70
5y=70
y=70/5
y=14 

then x=4*14

x=56


8 0
3 years ago
2x2 - 4x –9 = 0<br> Completing the swuare
ASHA 777 [7]

Step-by-step explanation:

(a-b)^2=a^2-2ab+b^2\\\\2x^2-4x-9=0\qquad|\text{add 9 to both sides}\\\\2x^2-4x-9+9=0+9\\\\2x^2-4x=9\qquad|\text{divide both sides by 2}\\\\\dfrac{2x^2}{2}-\dfrac{4x}{2}=\dfrac{9}{2}\\\\x^2-2x=4.5\\\\x^2-2\cdot x\cdot1=4.5\qquad|\text{add}\ 1^2\ \text{to both sides}\\\\x^2-2\cdot x\cdot1+1^2=4.5+1^2\\\\(x-1)^2=5.5\iff x-1=\pm\sqrt{5.5}\qquad|\text{add 1 to both sides}\\\\x=1-\sqrt{5.5}\ \vee\ x=1+\sqrt{5.5}

4 0
3 years ago
Help me, I’ll give you brainliest. :)
lions [1.4K]

Answer:

72, give me brainliest please

6 0
2 years ago
Read 2 more answers
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