op56949 op56949

16-10-2020
Mathematics

contestada

Find the 87th term of this sequence: 157, 150, 143, ...

Respuesta :

unicorn3125 unicorn3125

17-10-2020

Answer:

[tex]\bold{a_{87}=-445}[/tex]

Step-by-step explanation:

[tex]a_1=157\\a_2=150\\\\d=150-157=-7\\\\a_n=a_1+d(n-1)\\\\a_{87}=157+(-7)(87-1)=157-7\cdot86=-445[/tex]

Answer Link

Otras preguntas

An economy can produce the following combinations of goods: 50X and 0Y, 40X and 10Y, 30X and 20Y, 20X and 30Y, 10X and 40Y, and 0X and 50Y. The production possi

Which of the following is not a major determinant of the price elasticity of demand? A. availability of close substitutes B. proportion of income spent on the g

2,165.413 to the hundredth

6.88 times 10 the forth power plus 2.22 times 10 to the 3rd

deepest areas of a large lake

you know that 3×9=27. explain how you know what 9×3 equals.

Hcf of 30 , 15 and 25

Read this excerpt from Frederick Douglass’s speech “The Hypocrisy of American Slavery.” Fellow citizens, pardon me, and allow me to ask, why am I called upon to

6. Which describes an organism's use of thermoregulation to maintain homeostasis? A. A snake suns itself on a rock. B. A bird's heart beats faster when it flies

A researcher would like to evaluate the claim that large doses of vitamin C can help prevent the common cold. One group of participants is given a large does of