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vlada-n [284]
2 years ago
11

Need help this work is due soon

Mathematics
2 answers:
Ksju [112]2 years ago
6 0

Answer:

can you explain this so I can help you with this

Julli [10]2 years ago
3 0
A, b, d I have to type random stuff apparently for it to be 20 characters lol. but lmk if I helped or not :)
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What is the surface area of the rectangular prism?<br> lenth 16 with 4 and hight 4
Llana [10]

Answer:

272

Step-by-step explanation:

The formula is 2(LxW) + 2(LxH) + 2(WxH)

2(16 x 4) = 128

2(16 x 4) = 128

2(4 x 4) = 16

16 + 128 + 128 = 272

5 0
3 years ago
What’s the value of DCB?<br> Pls help
amm1812

Answer:

78

Step-by-step explanation:

angle ACD + angle DCB = 180   (Angles on straight line)

4x + 2 + 3x + 3 = 180

7x + 5 = 180

7x = 180-5

7x = 175

x = 175 / 7

x = 25

angle DCB = 3x +3 = 3*25 + 3 = 75 +3 = 78

6 0
2 years ago
The sum of a number and 9, times 12
Sliva [168]

Answer:

1 + 9 x 12 = 120

2 + 9 x 12 = 132

3 + 9 x 12 = 144

4 + 9 x 12 = 156

5 + 9 x 12 = 168

Step-by-step explanation:

Any of the ones on top, but there are tons of others too

6 0
3 years ago
What addds to 14 and multiplies to 8
Grace [21]
5.4142 and <span>2.5858 are the numbers you need</span>
7 0
2 years ago
MATH :((<br>how do the chart??<br><img src="https://tex.z-dn.net/?f=%20-%20x%20%20%5E%7B2%7D%20%20-%209%20%5Cgeqslant%200" id="T
siniylev [52]

Answer:

<h2>no solution</h2>

Step-by-step explanation:

-x^2-9\geq0\qquad\text{change the signs}\\\\x^2+9\leq0\\\\\text{the parabola}\ x^2\ \text{is op}\text{en up and shifted 9 units up. Therefore is whole}\\\text{over the x-axis (only positive values)}.\\\\\bold{CONCLUSION}:\\\\\bold{no\ solution}

5 0
3 years ago
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