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2 years ago

PLEASE HELP!!!! Geometry is so hard and this is due tonight :(

Mathematics

1 answer:

omeli [17]2 years ago

7 0

Cos(68)=z/24
Z=24cos(68)
Find the answer by the calculator

Second question,
Cos(x)=16/34
X=cos^-1(16/34)
Use calculator

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In ΔTUV, the measure of ∠V=90°, the measure of ∠U=70°, and UV = 9.6 feet. Find the length of TU to the nearest tenth of a foot.

Nutka1998 [239]

28.1 feet

explaination

\cos U = \frac{\text{adjacent}}{\text{hypotenuse}}=\frac{9.6}{x}

cosU=

hypotenuse

adjacent

=

x

9.6

\cos 70=\frac{9.6}{x}

cos70=

x

9.6

x\cos 70=9.6

xcos70=9.6

Cross multiply.

\frac{x\cos 70}{\cos 70}=\frac{9.6}{\cos 70}

cos70

xcos70

=

cos70

9.6

Divide each side by cos 70.

x=\frac{9.6}{\cos 70}=28.0685\approx 28.1\text{ feet}

x=

cos70

9.6

=28.0685≈28.1 feet

Type into calculator and roundto the nearest tenth of a foot.

8 0

2 years ago

If the value of X is negative what equation still be true ?explain.

Brut [27]

Answer:

yes

Step-by-step explanation:

5 0

2 years ago

Question 6 (1 point) (01.03 LC) What is the value of 5 to the power of 4 over 5 to the power of 6? (1 point) a 1 over 25 b 1 ove

Vlad [161]

Answer:

a 1 over 25

Step-by-step explanation:

Problem Statement:

What is the value of $\frac{5^{4} }{5 ^{6} }$ ?

To solve this problem, we must familiarize ourselves with the concept of exponents and rules that guides them.

Exponents are used by scientists to report higher orders of a number.

Such large and often recurring expression is usually made up of a base and an exponent value.

The exponent value is the power of the base; for example, 4³ has 4 as its base and 3 as the exponent.

Several rules guides solving an exponent, to this problem, the most applicable one is :

$\frac{x^{a} }{x^{b} }$ = $x^{(a-b)}$

$\frac{5^{4} }{5 ^{6} }$ = $5^{4-6}$

= $5^{-2}$

= $\frac{1}{25}$

Therefore the solution is 1 over 25

7 0

2 years ago

What is the slant height of a regular pyramid if its lateral area is 160 units² and the perimeter of the base is 40 units?

SSSSS [86.1K]

Answer:

The slant height of a regular pyramid is $l=8\ units$

Step-by-step explanation:

we know that

The lateral area of a regular pyramid is equal to

$LA=\frac{1}{2}Pl$

where

LA is the lateral area

P is the perimeter of the base

l is the slant height

we have

$LA=160\ units^{2}$

$P=40\ units$

substitute in the formula and solve for l

$160=\frac{1}{2}(40)l$

$160=20l$

$l=160/20$

$l=8\ units$

6 0

2 years ago

Read 2 more answers

. (02.07) A particular plant root grows 3.5 inches per month. How many centimeters is the plant root growing per month? (1 inch

alisha [4.7K]

3.5 divided by 2.54=1.38 cm rounded to the nearest tenths place :)

5 0

2 years ago