2 years ago

Find the sum: -11 + (-8)

Mathematics

1 answer:

Kipish [7]2 years ago

3 0

Answer:

-19

Step-by-step explanation:

-11+(-8)

-11-8

-19

hole this is correct

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What points are solutions to the equation 3x-4y-8=12

ikadub [295]

Answer:

x = 6.67

Step-by-step explanation:

Rewrite the equation:

-4y = -3x +20

y = $\frac{3}{4} x-5$

Find where y = 0

0 = $\frac{3}{4} x -5$

5 = $\frac{3}{4} x$

x = 6.67

Hope it helps! (:

8 0

3 years ago

Read 2 more answers

Find a fration or mixed number that is between -3 1/4 and -3 1/8

Alenkinab [10]

A fraction could be -3 1/6

8 0

3 years ago

Given that △ABC ≅ △DEF , m∠E=3y+20, m∠B= 10 +5y, and m∠A=5y , answer the following:

Vinvika [58]

Answer:

y=5

m<A= 25

m<E= 35

Step-by-step explanation:

since <E equals <B due to CPCTC the equation:

3y+20=10+5y

is the equation

8 0

1 year ago

Suppose the exponential regression equation for some data is y=3.7772•1.923^x. When x equals 5 what is the predicated value of y

sveticcg [70]

y = 3.7772. 1.923^5 = 99 to nearest whole number

3 0

3 years ago

Use the formula for compound amount:$14,800 at 6% compounded semiannually for 4 years

GalinKa [24]

SOLUTION

Given the question in the question tab, the following are the solution steps to answer the question.

STEP 1: Write the formula for calculating compound amount

$A=P(1+\frac{r}{n})^{nt}$

where

A = final compounded amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

STEP 2: Write the given data

Semiannually means that n will be 2

$P=14,800,r=\frac{6}{100}=0.06,n=2,t=4$

STEP 3: Calculate the compound amount

$\begin{gathered} A=14800(1+\frac{0.06}{2})^{2\times4}\Rightarrow A=14800(1+0.03)^{2\times4} \\ A=14800(1.03)^8 \\ A=14800\times1.266770081 \\ A=\text{\$}18,748.1972 \end{gathered}$

Hence, the compounded amount after 4 years is $18,748.1972

6 0

1 year ago