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2 years ago

Pls i need to pass this class i wna graduate

Mathematics

1 answer:

jasenka [17]2 years ago

7 0

Answer:

$\boxed{\sf x= -29.5}$

Step-by-step explanation:

$\sf \sqrt{-2x+5}-3=5$

$\sf \sqrt{-2x+5}=8$

$\sf -2x+5=64$

$\sf -2x=59$

$\sf \cfrac{-2x}{-2}=\cfrac{59}{-2}$

Therefore, x = -29.5.

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Ax over b plus cx over d equals e <br> solve for x

Lorico [155]

$\frac{ax}{b}+\frac{x}{d}=e\ \ \ \ \ \ |multiply\ both\ sides\ by\ "bd"\\\\bd\times\frac{ax}{b}+bd\times\frac{cx}{d}=bde\\\\adx+bcx=bde\\\\(ad+bc)x=bde\ \ \ \ \ |divide\ both\ sides\ by\ (ad+bc)\\\\\boxed{x=\frac{bde}{ad+bc}}$

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3 years ago

Eva decorated cupcakes with pound of red jelly beans and pound of blue jelly beans. She says that she used pound of jelly beans

nikklg [1K]

Answer:

No, her statement is not reasonable. This is because, she refused to acknowledge the fact that she used a pound of Blue Jelly during the decoration of the cake.

<em>Skipping this information makes is dangerous for others who might not be aware of the Blue Jelly and eat the cupcakes thereby causing them problems (Maybe, they are allergic to Blue Jelly)</em>

Step-by-step explanation:

4 0

3 years ago

Which expression is equivalent to (3-5x)(3+5x)

Levart [38]

I think the answer is 9-25x

5 0

3 years ago

X, Y and Z are three points on a map. Y is 43km and on a bearing of 041° from X. Z is 67km and on a bearing of 117° from X. Calc

Helen [10]

Answer:

70.3km

Step-by-step explanation:

When the bearings are visualized and the points connected as a triangle, The angle x would be the difference of the both bearings from x

i.e 117-41 = 76

Using cosine rule,

YZ²= 43² + 67² - 2 x 43 x 67

cos76

YZ= √4944

= 70.3

8 0

2 years ago

A house valued at $100000 gains 6%in value. Which expression shows the current value of the house in dollars

Masteriza [31]

Answer:

Current value of house is $106000

Step-by-step explanation:

We are given

A house valued at $100000

gains 6%in value

so,

current value = past house value + gain(%) * (past house value)

past house value =100000

gain(%)=6%

so, we can plug value

Current value is

$=100000+\frac{6}{100}\times 100000$

$=106000$

6 0

3 years ago