2 years ago

PLEASE HELP timed exam pls

Mathematics

1 answer:

3241004551 [841]2 years ago

5 0

Answer:

helping hand help to write good

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What is 15%of8700 please give the right answer

posledela

15% becomes 0.15
multiply it by 8700
0.15x8700=1305

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2 years ago

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Seven less than twice a<br> number is negative five.<br> What is the number?

otez555 [7]

Answer:

n = 1

Step-by-step explanation:

Represent the number by n. Then "seven less than twice a number is -5 becomes 2n - 7 = -5

Next we must solve for n. Adding 7 to both sides yields 2n = 2, so that

n = 1

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2 years ago

Can someone please help

Ira Lisetskai [31]

E = 1/2(1.59 × 10^3)([2.7 × 10^1]^2)
plug it in to the o'l calculator and ¡bam!

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2 years ago

Find the value of <br>sin 300°.cos 390°-cot 150°.sin 120°

aleksandr82 [10.1K]

note that :

cot150 = 1/tan150

cos390 = cos(360+30) = cos30

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3 years ago

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A quiz consists of 10 multiple-choice questions, each with 4 possible answers, only one of which is correct. A student who does

Fofino [41]

Answer:

.943686485

Step-by-step explanation:

1=p(0)+p(1)+p(2)+p(3)+.....p(10)

1-p(0)=P(1)+p(2)+p(3)+....p(10)

1-p(0)= p(at least one)

p(0)=

${10\choose0}*.25^0*.75^{10}=.056313515$

1-.056313515=.943686485

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3 years ago