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2 years ago

Please help me solve this :)

Mathematics

2 answers:

Ivenika [448]2 years ago

8 0

Answer:

105 cm

Step-by-step explanation:

Let t = table height, c = cat height, and m = mouse height. From the information given, you can set up two equations:

$t+c-m=120$

$t+m-c=90$

Add the two equations to get:

$2t=210$

Thus, $t=105$ .

Hope this helps :)

REY [17]2 years ago

7 0

Answer:

105 cm

Step-by-step explanation:

An easy way to do this is by stacking the table on top of the other table

120 + 90 = 210

then you must how tallone table is, since the tables are the same, we divide by 2

210 ÷ 2 = 105

look at the picture

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Step-by-step explanation:

We are given that a sample of 1500 computer chips revealed that 32% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature claimed that above 29% do not fail in the first 1000 hours of their use.

Let Null Hypothesis, $H_0$ : p $\leq$ 0.29 {means that less than or equal to 29% do not fail in the first 1000 hours of their use}

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